Fm transmitter for mp3 Power supply:2xAAA 1.5V batteries 1: Worting status:power light and LED indicator 2: Compact cable management 3: Frequency:88.1,88.3,88.5 or 88.7 MHz 4: Audio Frequency Range:50Hz to 15KHz 5: Operating Range:10-30 feet(a diastanca of 10 feet or less will minimize interference and provide the strongest signal) Neuter,OEM
