B02 Phone Sling Bag with Magnetic Phone Compartment

Q: How should I choose between B01 and B02?

Choose B01 if you regularly carry everyday items such as a card holder, power bank, compact umbrella, or other small tech accessories. Choose B02 for quick outings when you only need essentials such as your phone, passport, and cards. If your carrying needs change throughout the week, the modular B01 / B02 system allows you to switch the compatible magnetic compartment between the two bags.

B02 Urban Quick-Access Phone Sling Bag | Pre-Order · Ships Within 7 Days

Color: Matte Black

7-DAY RETURNS
SECURE CHECKOUT
FREE SHIPPING
LOCAL WAREHOUSE SHIPPING WHEN AVAILABLE

$89.00

B02 Urban Quick-Access Phone Sling Bag | Pre-Order · Ships Within 7 Days

Color: Matte Black

7-DAY RETURNS
SECURE CHECKOUT
FREE SHIPPING
LOCAL WAREHOUSE SHIPPING WHEN AVAILABLE

$89.00

DESCRIPTION

aulumu's first Mag Mount Bag featuring a detachable magnetic metal compartment, designed for instant phone access without opening your bag. Built with X-Pac technical fabric, Fidlock magnetic buckle, and compact 0.3L storage for your phone, passport, cards, and daily essentials.

Color

Matte Black

FEATURES

• Detachable Magnetic Phone Compartment — access your phone without opening the bag, then snap it back into place.

• 0.3L Compact Storage — carry your phone, passport, cards, keys, and everyday essentials in a lightweight format.

• X-Pac Technical Fabric — lightweight, water-resistant, and wear-resistant for everyday urban movement.

• Fidlock Magnetic Buckle — quick one-handed opening with secure mechanical locking.

• YKK Zippers — smooth and reliable for frequent everyday use.

• Modular B01 / B02 System — switch the magnetic compartment between compatible B01 and B02 bags.

FEATURES

• Detachable Magnetic Phone Compartment — access your phone without opening the bag, then snap it back into place.

• 0.3L Compact Storage — carry your phone, passport, cards, keys, and everyday essentials in a lightweight format.

• X-Pac Technical Fabric — lightweight, water-resistant, and wear-resistant for everyday urban movement.

• Fidlock Magnetic Buckle — quick one-handed opening with secure mechanical locking.

• YKK Zippers — smooth and reliable for frequent everyday use.

• Modular B01 / B02 System — switch the magnetic compartment between compatible B01 and B02 bags.

AULUMU Mag Mount Bag series

B02 Urban Quick-Access Phone Sling Bag

Minimal Carry Maximum Speed

AULUMU Mag Mount Bag series

B02 Urban Quick-Access Phone Sling Bag

Minimal Carry Maximum Speed

Beyond Storage. Redefining Carry.

AULUMU Urban Gear Series · Mag Mount Bag

Insight: From Easy-In to Anytime-Out
Keep your phone within easy reach for navigation, payments, calls, and more.
Innovation: The Mag Mount Bag
A magnetic aluminum compartment moves your phone from inside the bag to outside for faster access.
Impact: Detachable Magnetic Compartment
Detach, access, and snap it back into place—quick, secure, and intuitive.

Beyond Storage. Redefining Carry.

AULUMU Urban Gear Series · Mag Mount Bag

Insight: From Easy-In to Anytime-Out
Keep your phone within easy reach for navigation, payments, calls, and more.
Innovation: The Mag Mount Bag
A magnetic aluminum compartment moves your phone from inside the bag to outside for faster access.
Impact: Detachable Magnetic Compartment
Detach, access, and snap it back into place—quick, secure, and intuitive.

Less Searching, More Moments

Proprietary Design <Detachable Magnetic Metal Compartment>

Less Searching, More Moments

Proprietary Design <Detachable Magnetic Metal Compartment>

Calling, No Searching

Take phone, call, put back, just one hand.

Calling, No Searching

Take phone, call, put back, just one hand.

Hands-Free Urban Mobility

Quick phone access without interrupting your movement.

Hands-Free Urban Mobility

Quick phone access without interrupting your movement.

Detachable Compartment

Detaches in seconds and switches seamlessly between B01 and B02 for quick-access phone carry.

Detachable Compartment

Detaches in seconds and switches seamlessly between B01 and B02 for quick-access phone carry.

Adjustable Fit. Built for More.

The width of the compartment can be adjusted using the knob to fit the iPhone 12 series and all later iPhone models.

Adjustable Fit. Built for More.

The width of the compartment can be adjusted using the knob to fit the iPhone 12 series and all later iPhone models.

Carry It Your Way

Wear it streamlined on its own, or attach the magnetic compartment for quick phone access.

Carry It Your Way

Wear it streamlined on its own, or attach the magnetic compartment for quick phone access.

X-PAC® Performance Fabric

Lightweight, durable X-Pac® fabric with reinforced construction for everyday urban carry.

X-PAC® Performance Fabric

Lightweight, durable X-Pac® fabric with reinforced construction for everyday urban carry.

Fidlock® Magnetic Buckle

Magnetic Guidance + Mechanical Locking=Fast and Stable

Fidlock® Magnetic Buckle

Magnetic Guidance + Mechanical Locking=Fast and Stable

YKK® Zippers

B02 features YKK zippers to ensure a smooth opening and closing experience even with frequent use.

YKK® Zippers

B02 features YKK zippers to ensure a smooth opening and closing experience even with frequent use.

Phone Out. Life In.

~0.3 L capacity for storing gadgets

Phone Out. Life In.

~0.3 L capacity for storing gadgets

Compact Size, Travel Light

Multiple Carry Modes

Adjust the quick-pull strap to switch between crossbody, shoulder, and close-to-body carry for different fits and everyday scenarios.

Multiple Carry Modes

Adjust the quick-pull strap to switch between crossbody, shoulder, and close-to-body carry for different fits and everyday scenarios.

Built for Urban Transit

Matte Black & Glossy Black & Pulse Green

Built for Urban Transit

Matte Black & Glossy Black & Pulse Green

B01 / B02

One magnetic attachment system, two urban lifestyles

Explore B01

B01 / B02

One magnetic attachment system, two urban lifestyles

Explore B01

Product Name: B02 Urban Quick-Access Phone Sling Bag
Material:
Matte Black / Glossy Black: 68% Nylon, 32% Polyester
Pulse Green: 60% Nylon, 40% Polyester
Lining: 100% Polyester
Weight: Approx. 135 g
Capacity: Approx. 0.3 L
Dimensions: 20.5cm*11cm*0.2cm(Bottom)*1cm(Top)
Colors: Matte Black, Glossy Black, Pulse Green
Compatibility: iPhone 12 and later, and Samsung Galaxy S25 Ultra

What is the difference between the B02 and a regular phone pouch?

The B02 is designed to do more than simply hold your phone inside a pouch. It features a detachable magnetic compartment that lets you move your phone from inside the bag to an easily accessible position on the outside. This allows quick access to your phone without repeatedly opening the pouch, making it especially convenient for urban mobility.

Can the magnetic compartment be used with the B01?

Yes. The detachable magnetic compartment can be switched between compatible B01 and B02 bags. The B02 is designed for minimal essentials, while the B01 offers more storage for commuting and short trips. You can switch between them based on your carrying needs.

Is the phone likely to fall off when attached to the magnetic compartment?

The magnetic compartment is designed with silicone limit structures to help securely hold your phone in place. For everyday use, make sure your phone is properly aligned with the magnetic area before carrying it.

Currently, the magnetic compartment supports the iPhone 12 series and all later iPhone models, as well as the Samsung Galaxy S25 Ultra. During strenuous exercise or high-impact activities, we recommend storing your phone inside the bag.

What are the advantages of X-Pac fabric?

X-Pac is a lightweight, water-resistant, and durable technical fabric with a recognizable diamond-patterned structure. It helps the B02 maintain its shape while keeping overall weight low, making it well suited for commuting, everyday carry, and urban outdoor use.

Is the B02 completely waterproof?

No. The B02 is made from water-resistant X-Pac fabric and can handle light rain and everyday splashes. However, it is not fully waterproof because water may enter through the stitching, zippers, and other structural openings. We do not recommend prolonged exposure to heavy rain.

Who is the B02 suitable for?

The B02 is ideal for people who prefer carrying only the essentials and want quick access to items such as their phone, ID, passport, or cards. Its compact design makes it especially suitable for shopping, traveling, dog walking, quick errands, and short commutes.

How should I choose between B01 and B02?

Choose B01 if you regularly carry everyday items such as a card holder, power bank, compact umbrella, or other small tech accessories.

Choose B02 for quick outings when you only need essentials such as your phone, passport, and cards.

If your carrying needs change throughout the week, the modular B01 / B02 system allows you to switch the compatible magnetic compartment between the two bags.

Is the B02 strap removable?

The B02 crossbody strap is adjustable but not removable. You can adjust the strap length based on your height, clothing, and preferred carrying position, whether you prefer wearing it closer to the body or lower on the shoulder.

Can the B02 be expanded?

No. The B02 has a fixed capacity of 0.3L and is designed specifically for compact, essential carry. If you need more storage space, consider the B01, which offers a larger 2–3L capacity.

Which phone models are compatible with the magnetic compartment?

Currently, the Detachable Magnetic Metal Compartment is compatible with the iPhone 12 series and all later iPhone models, as well as the Samsung Galaxy S25 Ultra. It is not compatible with other phone brands or models at this time.

B01 / B02

One Magnetic Attachment System.
Two Urban Carry Styles.

Choose the setup that fits how you move.

B01 is built for commutes, city exploration, and longer everyday carry, while B02 keeps things compact for quick trips with essentials like your phone, passport, and cards.

The detachable magnetic compartment is interchangeable between B01 and B02, allowing you to switch configurations as your everyday carry needs change.

B01 Urban Transit Gear Sling Bag

B02 Urban Quick-Access Phone Sling Bag

Best For

Commuting, city exploration, and short trips

Concerts, airport security, night runs, and light travel

Carry Range

Half-day to all-day carry

Short trips and frequent access

Capacity

Approx. 2.5 L, expandable

Approx. 0.3 L

Key Advantage

Versatile, modular everyday carry

Smaller, lighter, and built for faster access

Magnetic Compartment

Detachable / Interchangeable

B01 Urban Transit Gear Sling Bag

Best For

Commuting, city exploration, and short trips

Carry Range

Half-day to all-day carry

Capacity

Approx. 2.5 L, expandable

Key Advantage

Versatile, modular everyday carry

Magnetic Compartment

Detachable / Interchangeable

B02 Urban Quick-Access Phone Sling Bag

Best For

Concerts, airport security, night runs, and light travel

Carry Range

Short trips and frequent access

Capacity

Approx. 0.3 L

Key Advantage

Smaller, lighter, and built for faster access

Magnetic Compartment

Detachable / Interchangeable

Customer Reviews

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B02 Urban Quick-Access Phone Sling Bag | Pre-Order · Ships Within 7 Days

$89.00

AULUMU Urban Gear Series · Mag Mount Bag

Insight: From Easy-In to Anytime-Out
Keep your phone within easy reach for navigation, payments, calls, and more.
Innovation: The Mag Mount Bag
A magnetic aluminum compartment moves your phone from inside the bag to outside for faster access.
Impact: Detachable Magnetic Compartment
Detach, access, and snap it back into place—quick, secure, and intuitive.

AULUMU Urban Gear Series · Mag Mount Bag

Insight: From Easy-In to Anytime-Out
Keep your phone within easy reach for navigation, payments, calls, and more.
Innovation: The Mag Mount Bag
A magnetic aluminum compartment moves your phone from inside the bag to outside for faster access.
Impact: Detachable Magnetic Compartment
Detach, access, and snap it back into place—quick, secure, and intuitive.

Multiple Carry Modes

Adjust the quick-pull strap to switch between crossbody, shoulder, and close-to-body carry for different fits and everyday scenarios.

One Magnetic Attachment System.
Two Urban Carry Styles.

Choose the setup that fits how you move.

B01 is built for commutes, city exploration, and longer everyday carry, while B02 keeps things compact for quick trips with essentials like your phone, passport, and cards.

The detachable magnetic compartment is interchangeable between B01 and B02, allowing you to switch configurations as your everyday carry needs change.

B02 Urban Quick-Access Phone Sling Bag | Pre-Order · Ships Within 7 Days

DESCRIPTION

FEATURES

FEATURES

AULUMU Mag Mount Bag series

B02 Urban Quick-Access Phone Sling Bag

AULUMU Mag Mount Bag series

B02 Urban Quick-Access Phone Sling Bag

Beyond Storage. Redefining Carry.

AULUMU Urban Gear Series · Mag Mount Bag

Beyond Storage. Redefining Carry.

AULUMU Urban Gear Series · Mag Mount Bag

Less Searching, More Moments

Less Searching, More Moments

Calling, No Searching

Calling, No Searching

Hands-Free Urban Mobility

Hands-Free Urban Mobility

Detachable Compartment

Detachable Compartment

Adjustable Fit. Built for More.

Adjustable Fit. Built for More.

Carry It Your Way

Carry It Your Way

X-PAC® Performance Fabric

X-PAC® Performance Fabric

Fidlock® Magnetic Buckle

Fidlock® Magnetic Buckle

YKK® Zippers

YKK® Zippers

Phone Out. Life In.

Phone Out. Life In.

Compact Size, Travel Light

Compact Size, Travel Light

Multiple Carry Modes

Multiple Carry Modes

Built for Urban Transit

Built for Urban Transit

B01 / B02

B01 / B02

FAQs

One Magnetic Attachment System. Two Urban Carry Styles.

B01 Urban Transit Gear Sling Bag

B02 Urban Quick-Access Phone Sling Bag

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SHOP

SUPPORT

INFO.

SHOP

SUPPORT

INFO.

AULUMU Mag Mount Bag series

B02 Urban Quick-Access Phone Sling Bag

AULUMU Mag Mount Bag series

B02 Urban Quick-Access Phone Sling Bag

Beyond Storage. Redefining Carry.

AULUMU Urban Gear Series · Mag Mount Bag

Beyond Storage. Redefining Carry.

AULUMU Urban Gear Series · Mag Mount Bag

Less Searching, More Moments

Less Searching, More Moments

Calling, No Searching

Calling, No Searching

Hands-Free Urban Mobility

Hands-Free Urban Mobility

Detachable Compartment

Detachable Compartment

Adjustable Fit. Built for More.

Adjustable Fit. Built for More.

Carry It Your Way

Carry It Your Way

X-PAC® Performance Fabric

One Magnetic Attachment System.
Two Urban Carry Styles.

One Magnetic Attachment System.
Two Urban Carry Styles.