High-Quality Design: FM Transmitter is designed with top- materials and technology, ensuring crisp, clear, and lossless sound for ultimate listening pleasure. Battery Powered: It is powered by a rechargeable lithium battery, offering portability and cordless convenience. Bluetooth Functionality: FM Transmitter also comes with Bluetooth, enabling wireless connection with your other devices. This keeps your workspace neat and optimizes playback functionality. Adjustable Frequency: With a frequency range of 76MHZ-108MHZ and an OLED display allowing you to adjust the frequency as desired, you will enjoy both control and flexibility. Stable Transmission: The stereo FM transmitter ensures a stable transmission without human interference, up to a distance of 100m/328.1ft in open ground. Power Source: Lithium Battery Frequency Range: 76MHZ-108MHZ Transmission Distance: Up to 100m/328.1ft in open ground Display: OLED Connectivity: Bluetooth Colour:Purple Material:Metal+Plastic Package Contents: 1 x FM transmitter 1 x Charging cable 1 x antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.