Weight: 100g. Dimensions: 160 x 65 x 20 mm. Bluetooth version 2.0. 2 year manufacturer warranty. Specification: Zero installation, instant fixing on sun visor. Talk time 15 hours. Standby time: 800 hours. Charging time: 3 hours. Supported profiles: hands-free and headset. Voice dialing (If phone supports). Last call redial. Reject incoming call. Features include: Voice Control – say “OK” to answer call. Automatic reconnection with the phone. Multipoint – pair more than once device. Full Duplex – both parties talk simultaneously. Full DSP – DSP for echo and background noise reduction Product Code: BTVISOR1