1. Optimize the direction of the microphone sound hole, accurately pick up speech, and filter out noise interference with the noise reduction algorithm to significantly eliminate noise.
2. DT4.0 directional sound transmission technology can transmit sound efficiently and accurately without having to put it in the ear.
3. Bluetooth 5.3 technology ensures audio quality while effectively shortening the transmission interval of audio and video, achieving high-speed and stable transmission, and no delay when listening to music or playing games.
4. 16.2mm large dynamic composite membrane speaker with three-band balance and HiFi high-fidelity sound quality.
5. Hall switch, automatic power on when opening the cover, quick pairing.
6. Parameters:
- Bluetooth version: 5.3
- Transmission range: about 10m
- Input voltage: 5V 1A
- Battery capacity: 50mAhx2, 400mAh
- Charging time in charging compartment: about 1.5 hours
- Power interface: Type-C
- Earphone charging time: about 1.5 hours