Model: 

NB25 ( fabric version)

Bluetooth version :

Bluetooth 4.0

Power : 

4W*2

Speaker size : 

 1.75 inches

Battery: 

2200mAh

Play time : 

3.5hours (max volume) 

& 10 hours (50% volume)

Impedance : 

4Ω

Shell : 

Australia solid beech wood + Fabric

Net weight: 

480g

Dimension: 

230*82*58mm