Specification: Description:_x000D_This mini FM transmitter can convert audio signal of iPad, 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. _x000D__x000D_Features:_x000D__x000D_Full-band work, the frequency from 70MHz ~ 108MHz range can be arbitrarily set. _x000D_Excellent heat dissipation, stable and reliable power. _x000D_Easy to use and operate. You can operate all functions on the interface. _x000D_The FM Transmitter is unique with its small size, allowing Maximum portability-perfect for traveling. _x000D_High signal intensity and good sound quality, suitable for home, car, classrooms, auditoriums, dormitories, squares, etc. _x000D__x000D_Specification:_x000D_Package Weight: 87g_x000D_Transmitting Frequency: 70MHz-108MHz (adjustable)_x000D_Boot Frequency is: 87MHz (Default)_x000D_Stereo Resolution: 40db_x000D_Signal to Noise Ratio: 65db_x000D_Transmitting Power: 10mw_x000D_Working Current: 75mA_x000D_Operating Voltage: 2.2V-3.3V_x000D_Standby Current: 1uA_x000D_Operating Temperature: 0-70 _x000D_Transmitting Distance: 50 meters or so / 164ft_x000D_Battery: 2 * AAA battery (not included)_x000D__x000D_Instructions:_x000D_1. Connect the audio signal line, install the battery ( two AAA batteries), long press the "power switch" to boot for 3 seconds. Then the display shows the 87MHz transmit frequency._x000D_2. Select an appropriate frequency by the "Frequency +" and "Frequency -" keys, the frequency word flashing. Then 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._x000D_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._x000D__x000D_Package Included:_x000D_1 x FM transmitter_x000D_1 x Audio Cable _x000D_1 x User Manual Features: 1Full-band work, the frequency from 70MHz ~ 108MHz range can be arbitrarily set. 2Excellent heat dissipation, stable and reliable power. 3Easy to use and operate. You can operate all functions on the interface. 4The FM Transmitter is unique with its small size, allowing Maximum portability-perfect for traveling. 5High signal intensity and good sound quality, suitable for home, car, classrooms, auditoriums, dormitories, squares, etc. PackageList: