Feature: 1.Support for iPod mini, for iPod nano, for iPod video, etc. 2.Transmit clear stereo audio signals to any receiving device for Bluetooth 3.No need to set up any software and very easy to use. 4.Support paired stereo headsets/earphones for Bluetooth to control play/pause, forward/backward. 5.Support automatism paired (no button). 6.Support automatism standby mode: Standby mode is started to save the power for iPod when the stereo headsets/earphones for Bluetooth are not found in due time. 7.Compatible with 30-pin docks Specification: Color:Black,White Support paired pin code:1234,0000,8888 Range of Frequency:2.42 to 2.480 GHz (SIM) spectrum Working current:40MA(max) Operate Distance:33 feet(10 meters) Material:Plastic,Metal For Bluetooth Version:2.1 plus EDR Size:40x40x8mm Pin Number:30 Note: Due to the screen difference, the color may be a little different from what you expect, please allow it Packaged include: 1 x audio transmitter for Bluetooth