Car Bluetooth MP3 Player, Hands-free Bluetooth Calling, Lossless Sound Quality PD/QC3.0 Fast Charging, Car MP3 Features: -More Efficient: QC3.0+PD Flash Charging, QC3.0/PD fast charging. -Dual Screen Display: Intelligent output to support fast charging of three devices/battery voltage protection/support multiple devices fast charging. -Intelligent Chip Protection: Effective protection against output over-current, input over-voltage, input under-voltage, output short-circuit protection, and voltage input abnormality warning. -Multi-colour Breathing Ambient Lighting: Musical night vision ambient light, seven-colour light breathing mode, switch the colour you want at will. -Universal: Can be used for both big and small cars Sedan/SUV/Cross-country/truck, 12V/24V models universal. -Package includes: Car Bluetooth MP3 Player. User manual. Specifications: Item name: Car Bluetooth MP3 Player Rated working voltage: 12V-24V Extreme working voltage: 8-32V USB1 output: 5V/1A USB2 output: PD/QC3.0/3.1A Support music format: MP3/WAV Support U-disk capacity: Max 32G TF card: Not support FM frequency: 87.5-108.0MHZ Operating temperature: <70℃ Battery voltage accuracy: Error ±1V Signal-to-noise ratio: >60dB Distortion: <0.1% Frequency response: 20Hz-15Khz Left and right channel separation: >60dB Bluetooth version: Version 5.0 Bluetooth sound processing: With A2DP (Advance Audio Distribution Profile) function Bluetooth transmission distance: Less than 10M Bluetooth microphone effective distance: 0.5-2M Item size: As shown Note: -Light shooting 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 +/- 10-30mm.