Main features:l Bluetooth wireless connection, getting out of the trouble with surrounding you for line-control headset, so it抯 more convenient to communicate.l You can adjust the ear hook. Appreciate the flexible, soft-touch headset that delivers a comfortable fit on either earl Fashionable appearance, smart model portablel With volume control button.l Especially design Bluetooth indicator, which is very noble.l Take advantage of the noise-canceling microphone to get great sound from noisy environments .l One-year limited warrantyProduct specification:l Technology:Bluetooth v1.2 compliant ( compatible with bluetooth 1.1)l Talk time up to 6 hours.l Standby time up to 6 days.l Broadcasting range of 10m(30inches)l Weight:about 18g.l Chipset:CSRl Radio Performance:Class II