Rocka Arc Bluetooth Speaker – Black

Features:
Rocka Output Power: 4.5W*2
Frequency Response: 90Hz?16KHz
S/N Ration: 80dBA
Distortion: 0.5%
With Li battery: 2200mhA
Bluetooth Chip: 4.2
Playing time: 3-4 HOURS
Hand free talking
With EQ type
Support Aux in/USB/TF/BT