ANLENG Wireless Bluetooth Headphones with Mic, Noise Canceling HD Hands-free Headsets, in Ear Lightweight Earbuds for Apple iPhone Samsung and all Bluetooth Enabled Devices Ergonomic design of the ear, flat wires eliminates troublesome of tangling, light-weight, 12 grams. Easy to use interface, 10-meter working distance, suitable for all kinds of sports. Professional music equipment,perfect noise reduction technology. Long time standby, connecting two bluetooth devices simultaneously. iPhone battery display. Bluetooth 4.0, compatibility stronger for all bluetooth enabled equipment.