1. Upgraded Bluetooth 5.3, stable transmission, simple connection, binaural high-definition calls
2. Low latency, low power consumption, intelligent noise reduction, fast response speed, strong anti-interference ability
3. HiFi shocking sound quality, large diaphragm speaker sound, three-frequency balanced three-dimensional surround sound, full range of tuning high pitch transparent, full midrange bass strong
4. LED power display, real-time perception of power, intelligent voice prompts, real-time perception of the state of the headset
5. Ergonomic design, fit the ear canal, comfortable to wear without feeling, wildly flinging not off, long wearing not painful
6. Large-capacity charging compartment, long-lasting battery life, lightweight body
7. Waterproof and sweatproof, automatic pairing, fully compatible, Bluetooth can be connected
8. Dual-mode dual Bluetooth, free switching, regardless of the main and secondary ear

Parameter description:
1. Bluetooth protocol: 5.3
2. Transmission range: about 10-15m
3. Charging compartment capacity: 500mAh
4. Fully charged continuous listening time: about 24 hours
5. Standby time: about 480 hours
6. Waterproof performance: IPX5

Operating instructions:
1. Volume down: right ear MFB button three clicks, every three clicks to reduce 1 frame (under the state of playing songs)
2. Volume up: left ear MFB key three clicks, every three clicks plus 1 frame (under the state of playing the song)
3. Previous song: Press and hold the L ear MFB key for 1 second
4. Next song: Press and hold the R ear MFB button for 1 second