Specifications:

Speaker

Driver: 40 x 70 mm/ 1.5W X2@4 ohm

Power Supply: 4 x AA Battery ( 6V )

Battery Life: Max. over 70 hours

Function Control: Power on/off

BT Control panel: on/link/off,

Vol+/Next, Vol-/Rewind

Backpack

Color: Red, Grey, Black / Black

Size: (HxWxD) 50x36x12cm

Fabric: 600D Double Nylon

Lining: 420D Nylon Coating/ Black

Tape: PP Black

Zipper: Nylon Regular    

Foam: EVA & PE Foam

Buckle: Plastic / Black Regular

Capacity: 30 L

Features:

Ventilate carry system design.

MP3, CD player suitable for use.

Mesh pockets design.

Waterproof zipper design

Superior class-D digital amplifier.

Unique water proof speaker sets in the straps.

Easy link Blue Tooth mobile with AP-804HB by one switch.

When someone calls by mobile could easy talk by AP-804HB.

When end of talk, the system will switch to music automatically.