Multipoint Support: Allows a speakerphone connecting to two phones - secure simple paring - Advanced Echo and noise cancellation - Compact and super-slim design - Specially designed for users to enjoy convenience and freedom of wireless communication - Can be used as a conference speakerphone and handsfree car kit - Compatible with: iPhone / Motorola / Blackberry / Samsung / Nokia / SonyEricsson /HTC Bluetooth-enabled Specifications: - Bluetooth V3.0 EDR,Class 2 - Working range: up to 10 meters - Supported Bluetooth profiles: Headset Profile (HSP), HeadsFree Profile (HFP) - Operating frequency band: 2.402 to 2.480GHz unlicensed ISM band - Rechargeable Battery: 650mAH BL-5B Li-ion battery - Talking time: up to 18 hours - Battery charging time: 3 hours