ITEM NAME:Sports Wireless Bluetooth Headphones HiFi Stereo Sound in-Ear Earbuds with Mic Description: Adopts stereo Bluetooth CSR 4.1 chip to ensure high-fidelity sound quality and stable performance. Allow you to power on/off, answer/hang up/reject/redial call, pause and play, vol+/-, next/previous track. Support vibration alert, you won/'t miss any call while listening to music. Long battery life, it offers you 7 hours of continuous playing time, 8 hours of talk time, and up to 150 hours standby time. Build-in rechargeable li-battery, can be charged via USB cable. Suitable for office / Traveling / Driving / Metro/ Business Specification: Brand Name: Fineblue Model Number: Fineblue W688 Bluetooth version: Bluetooth 4.1 Transmission range: 10 m(without obstruction) Profile: HSP/HFP/A2DP/AVRCP Standby time: Approx. 150H Talk time: Approx. 8 hours Music play time: Approx. 7 hours Charging time: Approx. 2 hours Package Includes: 1 Piece Wireless Bluetooth Headset 1 Piece USB cable 2 Pairs Earcaps 1 Piece User manual Note: 1.Please allow 1~3 cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.Adopts stereo Bluetooth CSR 4.1 chip to ensure high-fidelity sound quality and stable performance. Bluetooth version: Bluetooth 4.1. 1 Piece Wireless Bluetooth Headset. 1 Piece USB cable. Support vibration alert, you won/'t miss any call while listening to music.