WF15

Bluetooth version:  4.2+EDR ATS2815 20W HIFI Sound,Super Bass
Waterproof:  Waterproof IPX7  Shock-Resistant
Function: Waterproof IPX7, Bluetooth, TF card 
Material:Silica gel+Metal
Bluetooth Working Distance:≥20M
RMS: 20W
Speaker:2*10W     20W
Color:black  blue
S/N rate: 85db
AMP Freq Range:100HZ-20KHZ
Charge Voltage: DC 5V/1A 
Battery capacity: 3.7V/2400mAH
Charging Time: 2.5  Hours
Playing time: 50%  14  Hours
Playing time: 100% 3 Hours
Dimension: 110*110*65 mm
Net weight:465g