Bluetooth outdoor Speaker 2*3W

Bluetooth outdoor sports speaker
ISSC 3.0+EDR Bluetooth chip Bluetooth version backward compatible with V2.0, V1.2 and V1.1 standards support the A2DP, ACRCP EDR
Distance 10 m
Frequency 2402MHz ~ 2480MHz ISM Band
About 3 hours of working time
About 40 to 50 hours of standby time
3 hours charging time
Data transmission rate of 2.1Mbps
Input sensitivity 300MV
Signal to noise ratio 84dB
Frequency Range 80Hz ~ 20KHz
Sound output 2.0 amplifier output
The power supply built-in replaceable lithium battery 3.7V / 500MA
Output power of  2 × 3W