Computer reless Bluetooth Speaker

Color : blue / black / red / silver gray / silver gray
Bluetooth Protocol : 4.2
Appearance Size : 44.5*8.5*7.5 cm
Type : Mini Portable Bluetooth Computer Speaker
Output Power : 2*5 w
Channel : 2.1
Interface Type : USB
Power Supply Mode : built-in lithium battery
Power Mode : USB
Shell Material : plastic
Play Format : MP3/WMA/WAV/WAV
Box Material : Plastic
Signal to Noise Ratio : ≥ 75dB
Mode of Operation : Button
Battery Capacity : 1800 mAH
Number of Speakers : 2