1) CE approved. 2) High fidelity, stereo. 3) With Digital PLL, wave signal transmission and reception won't be affected evenin the situation subject to extreme changes by temperature. 4) Full frequency range design effectively avoids interruption. 5) Powered by iPod directly. 6) Memory for latest used frequency. 7) With charging socket for iPod at the bottom.Specifications1) Frequency response: 100Hz~15000Hz 2) Separation: >=30dB 3) Operating current: 20+/-3mA 4) Transmission range: 87.9MHz~107.9MHz (interval 0.1MHz) 5) colour: black(1-1010201-0-02) silver(1-1010201-0-18) blue(1-1010201-0-08) green(1-1010201-0-10) white(1-1010201-0-01) pink(1-1010201-0-06) red(1-1010201-0-05) 6) Dimensions: D35 x W40 x H5.6 (mm) 7) N.W.: 8g 8) G.W.: 36g 9) Packing: PVCCompatible with1) Perfectly fits iPod Nano II 2) Compatible with all iPod seriesUse Means1) Connect the FM transmitter to iPod, the FM frequency will be shown on the screenof iPod. 2) Press "up" or "down" key to adjust frequency at interval of 0.1MHz. Keep pressing"up" or "down" key for a second to adjust frequency quickly at interval of 1MHz.3) Without controlling the FM transmitter for 3 seconds, it will resume the musicmenu on the screen of iPod. 4) The FM transmitter will automatically save the latest used frequency. 5) When the FM transmitter is connected to iPod, you can plug the iPod travel chargeror car charger into the socket of the FM transmitter for charging iPod. producing area:China payment:T/T, L/C at sight supplying capacity:500,000pcs/month