Cup Appearence Wireless Bluetooth Speakers with Colorful Looking

Specs:
bluetooth version:ZK5.0
Funcion: BT/USB/TF card/AUX/FM/handfree
Battery Capacity:1200mAH  
Speaker: 52MM  5w*1
working Voltage:DC 3.7V                  
charging voltage:DC 5V
Working time:2-4.hours
Frequency response:90Hz--20kHz
Bluetooth distance:10M  
Material :ABS fabric..