Stereo and apply to DIGITAL PLL technology Unique upgrade-contours design LCD display , Display the temperature Low voltage protected function 215 Channels spots (87.0-108.5 MHz) 10 Memory spots (when battery is out of storage) 2 kinds of power: battery or rechargeable Suitable for MP3, MP4, PDA, Notebook, PC, CD, MD, DVD Supply power of a USB port for mp3 Specification: The transfer is a easy carry on CD, MD, MP3, MP4, PDA, Notebook, PC, and USB with port etc. Frequency response: 20Hz-20KHz Separation : >=50dB Operating current: 38Ma Operating volt: 1.5~3V Transmission range: 87.5-108.0 MHz (interval 0.1MHz) Power source: 2AAA batteries or the car''''s power source Connect line 190mm Dimension: D79.4 x W53.6 x H26mm Weight: 63g (ex battery) Accessories: a charge, suitable for MP3, MP4, PDA, Notebook, PC, CD, MD, DVD