FANTECH WH02GY Wireless Headset

-BT Version:BT 5.0 

-Effective Range:10M 

-Playback Time :Up to 20 hours(Vol 70%) 

-Standby Time: Up to 200 hours 

-Speaker Sensitivity:105+-3dB 

-Charging time :approx 2 hours 

-Speaker Frequency Response: 20-20kHz 

-Weight :98.5g 

-Microphone Sensitivity:-42+-3dB