EEB8759B 80mAh Built-in Battery Sports Neckband Earphone Bluetooth Headset

1.Output Power:18mw

2.Working Distance:10m(Barrier-free Space)

3.playing music Hours:2 hours

4.talking time hour:3 hours

5.Standby Time:180 hours

6.Charging Time:2hours

7.Charging Voltage:DC 5V 80MA

8.Battery:80mAh

9.Speaker:10 mm

10.Sensitivity:105db/mw

11.Impedance:32 Ω 

12.Frequency Response:20Hz-20KHz

13.With SD card