1) Technology: Bluetooth V1.2 compliant (compatible with Bluetooth 1.1) 2) Talk time: up to 6 hours 3) Standby time: up to 145 hours 4) Broadcasting range of 10m (30 inches) 5) Weight: about 14.5g 6) Chipset: CSR 7) Radio performance: Class II 8) Bluetooth wireless connection, getting out of the trouble with surrounding you for line-control headset, so it's more convenient to communicate 9) You can adjust the ear hook, and appreciate the flexible, soft-touch headset that delivers a comfortable fit on either ear 10) Fashionable appearance, smart model portable 11) With volume control button 12) Especially designed Bluetooth indicator 13) Takes advantage of the noise-canceling microphone to get great sound from noisy environments 14) One-year limited warranty