AnyCom HCC-250 Hands Free Bluetooth Car Kit Install in seconds with magnet holder to the sun visor or vent; also for office use 16-bit DSP filters surrounding noise and provides echo cancellation to both sides of communication by its full duplex mode Advanced call functions: Voice dial, last number re-dial, suspend, mute and others Bluetooth 2.0; Up to eight phones paired to the Car-Kit; 1.5 Watt high performance speaker Listen to your music: Audio streaming through A2DP profile in high quality monophonic; Up to 14 hours talk time; Up to 25 days standby