Product parameters:

1)Bluetooth version: V1.2/V2.0

2)audio range: 2.402GHZ ~ 2.480GHZ ISM Band

3)Receiving sensitivity:-80dBm

4)wireless transmission standard: CLASS 2

5)Channel 79channels of 1Mhz BW

6)Connection: point to point

7)transmission range: <= 10M

8)Transmission speed: 57 to 723Kb / S

9)stereo compression ratio 44.1/48kHz

10)Bluetooth module: stereo

11)polymer lithium-ion battery: 3.7V 150mA

13)Charging time: 1-2 hours

14)Charging power supply: computer USB 5V

Package includes:

1 x Bluetooth Headset

1 x USB cable