Fangrui Product Details 1. Ke25 Rgb Light Wireless Stereo Music Bluetooth Headset 2. Bluetooth 5.1 + Mp3 Function Support Stereo Music Playing, Phone Calling. 3. Support All Audio Devices That Have Bluetooth Capability, Such As, Cell Phone ,tablet Pc,laptop,computer Etc. 4. 3.5mm Audio Jack, Provides A Simple Wired Connection Of A Variety Of Devices Without Bluetooth. 5. Allow You To Answer Or Reject Phone Calls Anytime And Anywhere. 6. Charged Via Usb, Rechargeable Battery, Convenient And Practical. 7. Playing Time Up To 8~10 Hours, And Continue Talk Time Up To 8 Hours, Standby Time Up To 148 Hours. 8. Good Quality, Foldable Design And Adjustable Length Hinges, Very Comfortable To Wear And Easy To Carry. 9. Choice For Listening Music, Watching Movie, Chatting Online Etc. 10. With Sd Card Insert,without Any Bluetooth Device,can Still Enjoy Music Any Time Any Where. 11. Astronaut Shape Design Color Earphones, Children's Holiday Gift Earphones. 12. Specification: 13. Bluetooth Version: V5.1 14. Backward Distance: 15m (no Interference) 15. Battery Capacity: 360mah 16. Use Time: 8h (light On) -10h (light Off) 17. Standby Time: 200h 18. Charging Time: 2h 19. Speaker: 40mm 20. Impedance: 32ohm 21. Frequency Response: 20hz-22khz 22. Packing List: 23. Wireless Headset X1 24. Charging Cable X1 25. User Manual X1