Model Number: BTS-SD2
Product Type: Bluetooth Speaker
Color: Black
Bluetooth: V2.1+EDR
Distance Range: 10m
Dimension: 136 x 26mm
Talk Time: 11 Hours
Playback Time: 9 Hours
Charge Time: 4~5 Hours
S/N: 70~80dB (music)
Battery: 3.7V 720mAh Lithium Polymer Rechargeable Battery
Weight: 175g
External interface micro 5 pin USB connector for charging.

Features: conference call, 3D sound effect, Powerful sound, Outdoor Play 9hours, Multi Pairing, Car hands free 11hours