MP3 Player Can Be Inserted Into USB Flash Drive Memory Card Voice Navigation 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 ion 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. 【 Two interfaces charging simultaneously】There are two 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-3.1A Frequency response range: 20Hz-15KHz FM transmission frequency:87.5-108.0MHz Working temperature:0-55 ℃ Package size:11.2×7.2×5.2cm/4.4×2.8×2.1in Package weight:52g/0.12lb Product Description: 1 × Host