Specifications: Bluetooth V2.1 technology No software setup required, easy to use Supports profiles: A2DP, AVRCP Supports pairing with Bluetooth-compatible stereo headsets/earphones for play/pause, forward/backward control Supports automatic pairing (no button press required) Supports pairing PIN codes: 1234, 0000, 8888 Frequency range: 2.42 to 2.480 GHz (ISM) spectrum Supports automatic standby mode: activates to save power when no Bluetooth device is detected within range Compatible with , iPod mini, iPod nano, iPod video, and other devices with 30-pin dock connector 30-pin dock compatible Type: Bluetooth-compatible transmitter Material: ABS Frequency range: 2.42 to 2.480 GHz (ISM) spectrum Working current: 40mA (Max) Transmission distance: 10 meters Dimensions: 9cm x 6cm x 1cm / 3.54" x 2.36" x 0.39" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Please allow slight dimensional differences due to manual measurement. Package Includes: 1 x Bluetooth-compatible transmitter