Specifications:

Speaker

Driver: 50 mm /1.5W x 2 @ 4 ohm

Power Supply: 2 x AA Battery ( 3V )

Battery Life: Max. over 40 hours

Function Control: Power on/off

Backpack

Color: Orange/Black, Light blue/Pink

Size: (HxWxD) 36x30x13cm

Fabric: 600D PVC

Lining: 210D Nylon Coating/ Black

Tape: PP Black

Zipper: Nylon Regular

Foam: EVA & PE Foam

Buckle: Plastic / Black Regular

Capacity: 17 L

Features:

Back Pack with audio system for Bike.

MP3, CD player suitable for use.

Soft Handle Bar holder design

Long object layer design on both side.

Drink layer design easy for use

Low consumption amplifier.

Unique speaker hide in pack.