100% brand new and high quality Description: Features: 100% brand new and high quality. With Vibrating Alert Function, let you wont miss any important calls Easy to wear clip, with functional clip, carry your conveniently on your shirt Extra long talk/play time, up to 8 hours of talk / play time, and 180 hours of standby time Pair two phones simultaneously, enjoy the comfort of pairing two phones at the same time Patented retractable cable technology, after finishing your call, retract your cable with asingle push of a button (build-in 30cm cable) Works with any Smart phone or Tablet PC with Bluetooth-compatible function. Wearing type : In-Ear Function: Microphone,Voice control,Answering Phone,Song Switching,Multi connection function Bluetooth-compatible parameters: Color: Black/White/Gold/Silver (Optional) Size: 552715mm Bluetooth-compatible version: V4.0 + EDR compatible Bluetooth-compatible chip: CSR Wireless frequency: 2.4GHz-2.48GHz Transmission power: Class 2 Working voltage: 3.6V Charging voltage: 5V Working current: 25mA Battery capacity: 80 mAh Transmission distance: 10m Charging time: 1H-2H Talk time: about 5H Music time:4H Standby time: about 80H Package includes: 1 X Bluetooth-compatible Headphone (No retail package) 1 X Micro USB Cable 1 X English Chinese User Manual 2 X Silicone tips