Technical data: Bluetooth V2.1 technology. It does not require installation of any software and is very easy to use. Profil support: A2DP and ARVCP. Support for paired stereo headphones/Bluetooth headphones to control playback/pause and forward/reverse scrolling. Support paired automation (no button). Support paired PIN codes: 1234, 0000, 8888. Frequency range: spectrum 2,42 to 2,480 GHz (SIM). Support automatic standby: Standby mode is activated to save power when no Bluetooth-enabled stereo headset/headphones are detected in a timely manner. Support iPhone, iPod mini, iPod nano, iPod video, etc. Compatible with 30-pin docking station. Type: Bluetooth compatible transmitter Material: ABS Frequency range: 2,42 to 2,480 GHz (SIM) spectrum Operating current: 40mA (max. ) Distance: 10 meters Dimensions: 9 cm x 6 cm x 1 cm/3,54" x 2,36" x 0,39" (approx. ) Due to the difference in light and screen setting, the kolor of the item may vary slightly from the color in the photos. The package includes: 1 x Bluetooth compatible transmitter