PT-S55

Function: Bluetooth V4.0
Water proof Speker;
Phone call
material ABS with metal;
UV 
distance 10meter
Speaker: Ø40mm，4Ω 3W
*FREQUENCY RESPONSE: 105HZ-20KHZ
*SNR Ratio: ≥80dB
Product size:55*55mm

Amplifier:3W
Battery  350MA polymer battery
working time: 3-4H