Bluetooth v2.0 Hands-Free Car Visor Kit w/Text to Speech B-800 Bluetooth v2.0 Hands-Free Car Kit (Manufactured by Gaoyi Tech) General Features: Color: Black Slim design with built-in visor clip Bluetooth v2.0, Class 2 Supports call receiving, call rejecting, call ending and call transferring Digital Sound Processing (DSP) Technology for echo cancellation and background noise reduction Last number re-dialing supported