Thank you for viewing! Ships anonymously within 24 hours. ● Product Description This is an FM transmitter with a built-in rechargeable battery that significantly improves sound quality. ● Product Features 1. Easy Installation This transmitter can be used simply by plugging it into a 3.5mm plug, no cords required. It can be used with all mobile devices, portable music players, and Walkmans that use a 3.5mm plug. 2. Easy Setup You can easily set it up and listen to music by matching the frequency. You can tune to your favorite frequency, so you can listen to music with comfortable sound quality anywhere. It can be charged in the car if there is a USB port. ・ Product Specifications Frequency: 87.5MHz ~ 108.0MHz Frequency Response: 100 ~ 15000Hz Input Terminal: 3.5φ stereo mini plug Charging Method: (DC5V 1A) Charge via USB port Input Voltage: 5 ± 0.1V Car Current: 600mA Storage Temperature: -20℃ ~ +50℃ Operating Temperature: -10℃ ~ +40℃ Capacity: 120mAh (built-in lithium battery, rechargeable) Stereo Separation: 38dB Compatible Devices: iPhone6S and earlier, Android, all devices with an earphone jack ● Product Details Size: 58mm (length) x 21mm (width) x 11mm (depth) Set Contents: Main unit x 1, Charging USB cable x 1