Bluetooth Headset, Bluetooth V4.1 Sports HD Stereo Earphones Wireless Earbuds Noise Reduction Headphones w/ Mic for iOS, Android Device (Black) Top-rated, Best Selling Bluetooth Headset, Bluetooth V4.1 Sports HD Stereo Earphones Wireless Earbuds Noise Reduction Headphones w/ Mic for bluetooth-enabled devices in Black. Leading Bluetooth 4.1 + EDR apt-X audio decode technology and state-of-the-art CVC 6.0 noise-canceling and isolation technologies offering a superior listening experience with its lossless music, dynamic, balanced audio and crystal clear sound output. Equipped with V4.1 CSR chip for stable and strengthened signal Bluetooth signal and low delay. Constructed with built in HD microphone providing crytal clear phone conversation even when the environment is not ideal. Powered by high-capacity, fast charging rechargeable battery that lets you enjoy up to 6-8 hours talking/ playing time and 250 hours standby time. With invisible nano-coating technology protecting the earbuds against splashing water and sweat during running and workouts orotheractivities. Portable and lightweight design with soft ear tips and comfortable earhook ensuring perfect fit, comfort and stability whatever the level of activity is. Supports 99% of bluetooth enabled devices such as iPhone 6S, iPhone 6S Plus, iPhone 6, iPhone 6 Plus, iPhone 5, iPhone 5C, iPhone 5S, iPhone 4S, LG G2, Samsung Galaxy S6, S6 Edge, S5, HTC, Sony Xperia, tablets, and other audio devices with bluetooth connectivity.