WF12

Bluetooth version: 4.2+EDR   ATS  20W HIFI Sound 
Waterproof:  Waterproof IPX7  Shock-Resistant
Function: Waterproof IPX7, Bluetooth, TF card ,AUX
Material:Silica gel+Metal
Bluetooth Working Distance:≥18M
RMS: 20W
Speaker:2* 10W    20W
Color:black
S/N rate: 85db
AMP Freq Range:100HZ-20KHZ
Charge Voltage: DC 5V/1A 
Battery capacity: 3.7V/3000mAH
Charging Time: 3  Hours
Playing time: 50%  16Hours
Playing time: 100%  5Hours
Dimension: 198x51x82 mm