1.
Bluetooth noise reduction answering,
support any key answering,
effective connection with smart phone,
automatic pairing connection procedure,
charging keeps connected state.
2.
Isolation of voice and high-definition calls: The intelligent control chip recognizes the sound frequency and generates a reverse signal to filter out external noise (noise and wind) in the non-human voice frequency range.
HD calls in any noisy environment.
3.
Bluetooth version: 5.0
4.
Support mode: HFP / HSP / A2DP / AVRCP
5.
Sensitivity: 105dB + / -3dB S.P.Lat 1KHs
6.
Signal distance: 10 meters
7.
Playing time: about 2.5 hours
8.
Talk time: about 3.5 hours
9.
Standby time: about 3.5 hours