Fangrui Product Details 1. Wireless Ear Clip Noise Reduction Bluetooth Headphone Bone Conduction No Delay Headset 2. Upgraded Bluetooth 5.3, Stable Signal, Fast Transmission Speed, Long Connection Distance 3. Low Latency, Low Power Consumption, Intelligent Noise Reduction, Fast Response Speed 4. 9d Holographic Surround Sound, Multi-tone Hole Design Can Achieve Micro-pressure Equalization, To Achieve Synchronous Interpretation Of Each Tone 5. Adopt Cvc Depth Noise Reduction Call, Intelligent Noise Filtering, Binaural High-definition Calls 6. Ear Buckle Design, Soft Silicone Ear Buckle, Wear Senseless, Comfortable And Stylish, Wildly Flinging Not Off, Long Wearing Not Pain 7. Large-capacity Portable Charging Compartment, Long-lasting Life, Can Be Charged For Cell Phones 8. Waterproof And Sweatproof, Automatic Pairing, Fully Compatible, Bluetooth Can Be Connected 9. Remove The Automatic Connection, Memory Pairing, Single And Double Ear Separation 10. Led Power Display, Real-time Sense Of Power, Intelligent Voice Prompts, Real-time Sense Of The State Of The Headset 11. Parameter Description: 12. Bluetooth Protocol: 5.0 13. Transmission Range: About 10-15m 14. Battery Capacity: 50mah 15. Charging Compartment Capacity: 2200mah 16. Cumulative Music Hours: About 120 Hours 17. Cumulative Talk Time: About 150 Hours 18. Chargeable Headset: About 25 Times 19. Charging Interface: Type-c 20. Charging Voltage: 5v,1a 21. Waterproof Performance: Ipx5 22. Control Type: Button Control 23. Noise Reduction Version: Cvc8.0 24. Wearing: Ear Buckle Half Into The Ear 25. Packing List: A Charging Box, Charging Cable, Two Headphones, Manual, Certificate Of Conformity