Description: F910 Mini Portable Wireless Earphone In-Ear Vibrating Ear Alert Use Clip Handsfree Earphone For Phone Feature ： Retractable cable technology, After you finish your call, remove your cable with one push button push (Build-in 30 cm cable) CSR 4.0 chip to ensure high-fidelity sound quality and stable performance. Functional clip： Easy to use clip,carry your Earphone conveniently on your shirt Extra long talk / play time, Up to 6 hours talk / play time, and 80 hours standby time Vibration alert function, let you won't miss any important call Multi-point connection, Pair two phones simultaneously, Enjoy the comfort of pairing two phones at the same time Multifuction Button ： Allow you to power on/off, answer/hang up/reject/redial call, pause and play, vol+/-, next/previous track. Build-in rechargeable li-battery, can be charged via USB cable. Specification: Model: F910 Wearing type: Headphone Connectivity: Wireless Connection Interface: Micro USB Application: computer, mobile phone, portable media player Impedance: 32 ohms Talk Time: 7 hours Music Time: 4 hours Standby Time: 80 hours Version: V4.0 + EDR mode: handsfree, earphone Function: answer phone, , microphone, multi connection function, music switch, Voice report phone number Product Size (W x H x H): 6.80x2.50x2.20 cm / 2.68x0.98x0.87 inches Package Includes: 1 x Earphone 1 x Micro USB Charging Cable 1 x English User Manual