Welcome to our shop! This mini FM transmitter is the perfect device for converting audio signals from your iPad, PC, TV, or other audio players into high-fidelity wireless FM stereo signals. With the FM radio as a receiver, you can enjoy stereo music without any hassle. Features: - Full-band work, allowing you to set the frequency in the range of 70MHz to 108MHz. - Excellent heat dissipation, ensuring stable and reliable power. - Easy to use and operate, with all functions accessible on the interface. - Compact and portable design, making it ideal for traveling. - Offers high signal intensity and good sound quality, suitable for various settings such as home, car, classrooms, auditoriums, dormitories, and squares. Specification: - Package Weight: 87g - Transmitting Frequency: 70MHz-108MHz (adjustable) - Boot Frequency: 87MHz (Default) - Stereo Resolution: ≥ 40db - Signal to Noise Ratio: ≥ 65db - Transmitting Power: ≥ 10mw - Working Current: ≤ 75mA - Operating Voltage: 2.2V-3.3V - Standby Current: ≤1uA - Operating Temperature: 0-70 ℃ - Transmitting Distance: Approximately 50 meters / 164ft - Battery: 2 * AAA battery (not included) Instructions: 1. Connect the audio signal line and install two AAA batteries. Long press the "power switch" for 3 seconds to power on. The display will show the default transmit frequency of 87MHz. 2. Use the "Frequency +" and "Frequency -" keys to select the desired frequency. The frequency word will start flashing. Press the "OK" button within 20 seconds to set the frequency. The frequency word will stop flashing, indicating the actual transmission frequency. 3. Use the "Frequency Lock" key to lock the frequency. Long press the "Frequency Lock" key for 3 seconds. When the display shows "LOC", it means the frequency is locked and the "Frequency +" and "Frequency -" keys will not work. To unlock, long press the "Frequency Lock" key for 3 seconds. Package Included: - 1 x FM transmitter - 1 x Audio Cable - 1 x User Manual 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.