Description
Bluetooth Version: V4.1+EDR
Bluetooth Profiles: A2DP， AVRCP， HFP， HSP
Transmit Power: Class2
Frequency Range: 2.402 GHz ~ 2.480GHz
Ambient Noise: +- 90dB
Transmission 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
Power Supply: DC5V /100mA-1A

Package include:
1 x Bluetooth Earphone
1 x USB Charging Cable
1 x Bilingual User Manual in English and Chinese
1 x Pair of Ears Caps