Features: 01) You can adjust the ear hook. Appreciate the flexible, soft-touch headset that delivers a comfortable fit on either ear 02) Fashionable appearance, smart model portable 03) Plug-and-play and simple pairing for easy use 04) Unique special software system and built-in DSP 05) Solutions for superior sound quality 06) Better interference resistance via the use of Bluetooth technology 07) Supports wireless audio streaming and headset / hands free application 08) Supports remote control feature 09) Listening to music and talking over wireless phones and computer 10) Compatible with almost all Bluetooth mobile phones and PCs Specifications: 01) Bluetooth V1.2 compliant 02) Frequency: 2.4GHz~2.4835GHz ISM band 03) Transmitter power: 1mW 04) Output power: 0 dBm (class II) 05) Long talk time: up to 6 hours 06) Stand by time: up to 200 hours 07) Typical charging time: 1.5 to 2 hours 08) Operation temperature: -10 to +45degreeC