S109 Business Design Wireless Earphone with HD Calls & Waterproof

specification:

Product model: S109

Bluetooth version: 5.0

Speaker impedance: 32Ω

Microphone sensitivity: -42±3dB

Battery capacity: 150mAh

Use time: 10-15 hours

Charging voltage/current: 5V / 1A

Support protocol: A2DP1.3 / HFP1.6 / HSP1.2 / AVRCP1.6 / D11.3

Transmission distance: 10 meters

Power consumption: The headset can be fully charged to listen to songs and talk for about 10-12 hours, and the standby time is 1000 hours