Enegg Wireless Bluetooth 4.1 Sport Headphone, Stereo Headset with Microphone & Hands-Free Calling In-ear Earphone for iPad, iPhone - IOS & Android Device, Running Earbud - Orange Latest Bluetooth 4.1 Technology : Easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; Offer you impressive dynamic sound. CVC 6.0 Technology : Noise Cancellation 6.0 reduces outside noises and enables clearer sound from microphone. You can get high quality, hands-free phone conversation even on the street or inside shopping mall. Light Weight : Ultra light weight does not cause any burden to the ears, thus providing lasting wearing comfort. Excellent Battery Performance : Up to 4 hours of continuous talking / music time and up to 175 hours of standby with a single charge, so you have less time charging and more time doing. Compatible with iPad/ iPhone, Samsung, HTC and other bluetooth-enabled devices