QY7 Upgrade Version: iFoxtek Latest QY8 Bluetooth 4.1and CSR 8645 Chipset strengthen the signal 2 times, easy and fast pairing with phones, ipad.With APT-X audio decode technology,Powerful audio driver offers balanced audio and crystal clear sounds
Comfortable stable Earbuds: Portable and Lightweight Bluetooth Earbuds, unique flexible design and built-in earhook custom earbuds ensure you get it perfect fit and remain stable in your ear
Hi-Fi Stereo Sound: Built-in HD Microphone with CVC6.0 noise cancellation,ensure Hi-Fi Stereo Music Sound and Strong Signal. Let you get high quality and clear voice even in noisy environment like inside a gym and running/cycling on the road
Powerful Rechargeable Battery:Built-in polymer lithium battery(80mAh), up to 160 hrs of stand-by,up to 8 hrs of talk time, up to 5 hrs of listing time and 2 hrs charging time.COULAX Bluetooth Headsets provide 12-month worry-free warranty!
Easy-of-using:Simple user interface on one of the earphones allows adjust volume, track songs and answer/reject calls.Compatible with iPhone6s 6s plus ipad Apple Watch Samsung and Android phones