FM Transmitter Mini Wireless 70MHz-108MHz Stereo Converter

Features: Full-band work, the frequency from 70MHz ~ 108MHz range can be arbitrarily set.Heat dissipation, stable and reliable power. Operate all functions on the interface.The FM transmitter is with its small size, allowing maximum portability for traveling.High signal intensity and sound quality, compatible with home, car, classrooms, auditoriums, dormitories, squares, etc.This mini FM transmitter can convert audio signal of PC, TV and other audio players into high-fidelity wireless FM stereo signal. Using FM radio as a receiver, this FM transmitter can transmit music to your FM radio, and enjoy stereo music without line trouble.Specification:Transmitting Frequency: 70MHz-108MHz (adjustable)Boot Frequency: 87MHz (Default)Stereo Resolution: 40dbSignal to Noise Ratio: 65dbTransmitting Power: 10mwWorking Current: ≤75mAOperating Voltage: 2.2V-3.3VStandby Current: ≤1uAOperating Temperature: 0-70 ℃Transmitting Distance: 50 meters / 164ftBattery: 2 * AAA battery (not included)Instructions:1. Connect the audio signal line, install the battery (two AAA batteries), long press the "power switch" for 3 seconds to boot. Then the display shows the 87MHz transmit frequency.2. Select an appropriate frequency by the "Frequency +" and "Frequency -" keys, the frequency word flashing. Press the "OK" button within 20 seconds, the frequency word is no longer flashing, at this moment, the frequency on the screen is actual transmission frequency.3. "Frequency Lock" key is used to lock the frequency: long press the "Frequency Lock" key for 3 seconds. When displaying "LOC" words, it means lock frequency work successful, the "Frequency +" & "Frequency -" key not working. Then long press the "Frequency Lock" key for 3 seconds to cancel the lock function.