Feather: FM Full Band Dual Power usage of car power cable and battery Light, easy to carry High-Clarity, full-stereo Sound Compact & Luxury design Summary: Now you can use your I-pod/Mp3 to listen to your favorite tunes through any FM stereo receiver. BeeBird FM Transmitter wirelessly connects portable music players to your car or home stereo quickly and easily. Just plug the FM Transmitter into the headphone jack of your I-Pod/MP3 or any audio source including your PDA, CD, or cassette player; or connect it to your PC or laptop computer. Tune your car stereo or receiver to the clearest FM frequency, and enjoy your digital music with full sound and convenience. Application: Auto car FM system, that can play MP3, CD, PDA, Person Computer, CAR-TV, CAR navigation and etc. Home wireless music system, that can reduce the difficult to layout the wire or for any place that local in different place Specification: Frequency Range: 88.1~107.9Mhz Power Supply: 1XAAA (1.5V)/ 12V (Car Power cable) Audio Input level: -10dBV Audio Input Range: 50~150mVz stereo Seperation: 45DB Power Consumption: 50mA Transfer mode : RF FM LCD Display: Frequency,Low Power Indicator Output Power: 250uV/m Output Range: 10M Operating temp: 0-50C Size: 87 X 23 X 22mm Net weight: 27g Approve : CE Package: BeeBird: 1pc User's Guide: 1pc Car Power cable: 1pc