Fangrui Product Details 1. Tws Ear-mounted Noise Reduction Led Dual-battery Display Bluetooth Earphones 2. Features: 3. In-ear Earhook Design, Comfortable To Wear 4. Compatible With Various Mobile Phones And Systems 5. Bluetooth 5.0 Chip, High Transmission And Low Power, No Lag In Game Videos 6. Automatically Match The Mobile Phone When Booting 7. The Charging Compartment Can Charge The Earphones 4 Times+ 8. Led Dual Battery Display, More Convenient To Use 9. Built-in Cvc Call Environment Noise Reduction, Clear Calls Without Noise 10. Mini Magnetic Charging Compartment, Fast And Convenient Charging 11. Product Parameters: 12. Interface: Type-c 13. Speaker: 10mm Real Copper Ring Speaker 14. Bluetooth Chip: Jerry 6973d 15. Bluetooth Version: 5.0 16. Transmission Distance: 10 Meters 17. Support Protocol: A2dpavrcphfphsp 18. Battery Capacity: Headphones: 50 Mah (with Ic Protection Board), Charging Box: 600 Mah (with Ic Protection Board) 19. Standby Time: 180 Days+ 20. Working Hours: 5-6h 21. Call Duration: 4-8h 22. Charging Time: About 1h 23. Waterproof Performance: Ipx5 24. Net Weight: 78g (headphones + Charging Case) 25. Packing List: 26. -earphone 27. -ear Caps 28. -charging Cable 29. -instructions In Chinese And English