Fangrui Product Details 1. Tws Bluetooth 5.3 Wireless Earclip Bone Conduction Noise Reduction Bluetooth Headphone 2. Upgraded Bluetooth 5.3, Stable Transmission, Simple Connection, Binaural High-definition Calls 3. Low Latency, Low Power Consumption, Intelligent Noise Reduction, Fast Response Speed, Strong Anti-interference Ability 4. 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 5. Led Power Display, Real-time Perception Of Power, Intelligent Voice Prompts, Real-time Perception Of The State Of The Headset 6. Ergonomic Design, Fit The Ear Canal, Comfortable To Wear Without Feeling, Wildly Flinging Not Off, Long Wearing Not Painful 7. Large-capacity Charging Compartment, Long-lasting Battery Life, Lightweight Body 8. Waterproof And Sweatproof, Automatic Pairing, Fully Compatible, Bluetooth Can Be Connected 9. Dual-mode Dual Bluetooth, Free Switching, Regardless Of The Main And Secondary Ear 10. Parameter Description: 11. Bluetooth Protocol: 5.3 12. Transmission Range: About 10-15m 13. Charging Compartment Capacity: 500mah 14. Fully Charged Continuous Listening Time: About 24 Hours 15. Standby Time: About 480 Hours 16. Waterproof Performance: Ipx5 17. Operating Instructions: 18. Volume Down: Right Ear Mfb Button Three Clicks, Every Three Clicks To Reduce 1 Frame (under The State Of Playing Songs) 19. Volume Up: Left Ear Mfb Key Three Clicks, Every Three Clicks Plus 1 Frame (under The State Of Playing The Song) 20. Previous Song: Press And Hold The L Ear Mfb Key For 1 Second 21. Next Song: Press And Hold The R Ear Mfb Button For 1 Second