BlueAnt Supertooth 3 Bluetooth Hands-Free Speakerphone (Black) Automatically reconnects to your phone when you open your car door A2DP streaming for music, podcasts and turn-by-turn GPS directions Incoming caller name announce (Text-To-Speech), answer with your voice No installation required, clips to visor Up to 20 hrs talk, 600 hrs standby Hands-free speakerphone for a safer, legal alternative to talking on your cell phone while driving; affix to the sun-visor via a two sided magnetic clip Uploads contacts from your mobile device and announces who is calling via TTS (Text To Speech) Full duplex, high-performance speaker; DSP noise cancellation/echo cancellation adjusts sound levels to compensate for loud engine noise, wind Bluetooth version 2.0; up to 15 hours of talk time, up to 800 hours of standby What's in the Box: Bluetooth handsfree unit, travel/wall charger, 2 sun visor clips, user manual