Fangrui Product Details 1. K36 Stereo Wireless Bluetooth Headset Calls Remind Vibration Wear Clip Driver Auriculares Earphone(black) 2. Features: 3. With Vibrating Alert Function, Let You Won't Miss Any Important Calls 4. Easy To Wear Clip, With Functional Clip, Carry Your Fineblue Conveniently On Your Shirt 5. Extra Long Talkplay Time, Up To 8 Hours Of Talk Play Time, And 180 Hours Of Standby Time 6. Pair Two Phones Simultaneously, Enjoy The Comfort Of Pairing Two Phones At The Same Time With Fineblue 7. Patented Retractable Cable Technology, After Finishing Your Call, Retract Your Cable With Asingle Push Of A Button (build-in 30cm Cable) 8. Works With Any Bluetooth Enabled Phone 9. Specification: 10. Model: K36 11. Color: Black , White 12. Wearing Type : In-ear 13. Function: Bluetooth,micro Phone,voice Control,answering Phone,song Switching,multi Connection Function 14. Connectivity : Wireless 15. Connecting Interface : Micro Usb 16. Application: Mobile Phone,computer,portable Media Player Talk Time: 6 Hours 17. Music Time: 6 Hours 18. Standby Time: 300 Hours 19. Bluetooth: Yes 20. Bluetooth Version: V4.0 21. Bluetooth Mode: Hands Free,headse 22. Chipcsr8615 23. Working Distance:10m 24. Battery Capacity:70mah 3.7v 25. Package Contents: 26. 1 X Earphone 27. 1 X Micro Usb Charging Cable 28. 1 X User Manual