Y9 Retractable Cable Bluetooth FM Transmitter Voltage Display Car Charger MP3 Player 1.Bluetooth-compatible 5.3 Technology:Advanced Bluetooth-compatible 5.3 ensures stable connectivity and high-quality audio transmission for hands-free calling and music streaming. 2.FM Transmitter:Built-in FM transmitter with a range of 87.5-108MHz allows you to play your music through your car's audio system. 3.Multi-Function Charging:Features retractable charging cables including Type-C (100W fast charge support), iP (2.4A), USB port (3.1A), and Type-C port (3A) for versatile device charging. 4.Ambient Lighting:Seven-color ambient light adds a customizable atmosphere to your car interior. 5.EQ Adjustment & Noise Cancellation:Customize your audio experience with EQ settings and enjoy clear calls with echo and noise cancellation technology. 6.Voltage Detection:Built-in voltage detection ensures safe charging for your devices. Specifications: 1.Weight: about 40g 2.Interface: high-speed USB2.0 3.Screen: LED screen 4.Support TF cardU disk capacity: Less than or equal to 32GB 5.Power supply: DC12V-24V 6.Support file types: MP3WAVAPEFLACWMA 7.Working current: 50-100mA DC12V 8.Bit rate: 64-320kbps 9.FM frequency range: 87.5-108MHz 10.Signal-to-noise ratio: 85dB (FM: 65dB) 11.Harmonic distortion: Less than 0.05 percent (FM: Less than 0.1 percent) 12.Operating temperature: 0-60 degree centigrade 13.Bluetooth-compatible version: V5.3+EDR 14Transmission distance: Less than 5 meters