Zebora Wireless Bluetooth HD Stereo and Noise Cancellation Headphones with Microphone built-in, Sweatproof for Sports, Paired with Most of Mobile Devices, Pad, Tablets, and More other Bluetooth-based Devices Awesome portable and lightweight wireless headset can be stay in your ears comfortably. Adopt the most advanced bluetooth CVC6.0 noise cancellation, which makes you enjoy a clear sound even through you are in a noisy environment. The headset defines elegance and functionality, and are equipped with Bluetooth 4.1. Pairing is easy and will pair with all mobile phones except the phone without bluetooth, Built-in rechargeable Grade A polymer 85mAh battery lasts nearly 4-5 hours talking time, 3-4 hours music time with a 10-12 meters working distance. Simple-to-use: control all functions of your music (volume, sound, song selection) and calls from your phone via our simple-to-use user interface on the headphones themselves. The ZC15-1 is capable of having two devices connected to the headset at the same time. One year warranty for parts.