??

pecification

 

Bluetooth Version: V4.1+EDR
Bluetooth Profiles: A2DP， AVRCP，HFP，HSP
Transmit Power: Class2
Frequency Range: 2.402 GHz ~ 2.480GHz
Ambient Noise: +- 90dB
Tansmission Distance: 10M (We tested it in a sunny day， without obstructions， bluetooth distance about 25M - 30M)
Talking Time: 4-6 Hours
Standby Time: 180 Hours
Changing Time: about 1.5 Hours
Charging Port: Micro USB

 

 

 

Bluetooth Distance 25m-30m，

Farthest Distance In The World~!

 

 

 

';