MP3 Player Can Be Inserted Into USB Flash Drive Memory Card QC3.0 Fast Charging Voltage Monitoring Cool Lighting Universal Car Bluetooth For Car Models Features: Advanced Bluetooth 5.0 technology The built-in Bluetooth 5.0 chip provides a stable connection for playing music and making hands-free calls through FM frequencies, allowing for faster pairing with compatible devices. The built-in microphone allows for easy calling through buttons. You don't need to hold your phone. This hands-free calling car accessory makes your driving safer. Supports the use of USB drives and memory cards It can be inserted into USB drives and T-Flash cards for use, automatically obtaining music from USB drives and T-Flash cards. Once inserted, it can be played. High definition CNC display Real time monitoring of car battery voltage, keeping track of the car's health status at any time, making it clear and visible during night travel. Three interfaces charging simultaneouslyThere are three interfaces that can be used, mobile phones and tablets can be charged simultaneously, and the charging speed will not be affected. Can simultaneously power three devices to meet different charging needs. Intelligent Control Chip Built in intelligent management chip, adaptive current, effective control of overload and heating, long-term charging without overheating, and safer low-temperature charging. Product Description: Product Name: Car Bluetooth Product color: black Product material: ABS Bluetooth version:5.0 Input voltage: 12V-24V Output current: 5V-1,0A or 5V-3.0A Frequency response range: 20Hz-15KHz FM transmission frequency:87.5-108.0MHz USB output: QC3.0, PD type-C charging Working temperature:0-55 Package size:10.26.84.9cm/42.71.9in Package weight:48g/0.1lb Product Description: 1 Host 1 instructions