Features: 1) Bluetooth V1.2 compliant (compatible with Bluetooth 1.1) 2) Talk time: up to five hours 3) Standby time: up to five days 4) Broadcasting range of 10m (30) 5) Weight: about 17g 6) Chipset: CSR 7) Radio performance: class II 8) Eliminate tangled wires and cord clutter forever 9) Fashionable appearance, smart model portable 10) With volume control button 11) Uses it wirelessly with your Bluetooth mobile phone, compatible with all major brands 12) Noise-canceling microphone to get great sound