Product Specifications/Features : * Wireless adapter connects directly to ipod series; * Transmit high fidelity stereo music without wires from ipod to the headphones; * Support paired bluetooth stereo headphone and stereo headset to control play/pause Forwards/backwards; * Support Bluetooth audio and video remote control profile; * Support automatism paired (no button); * Support ipod type: 3G iPhone, iPhone, iPod mini, iPod video etc, iPod touch, iPod nano (1st, 2nd, 3rd generations), iPod photo * Support bluetooth A2DP profile; * Compatible With 30-pin Dock Connecting Ipods * Pin code: 0000(leave factory setting) * Range of Frequency: 2. 42-2. 480 GHz(SIM) Spectrum; * Power supply: From IPOD(no battery); * Working current: 40MA(max); * Bluetooth v1. 2(class 2)up To 10 meters; * Dimensions: 39mm*29mm*7mm * Weight: 8gram.