Bluetooth 5.0 FM Transmitter For Car,Bluetooth Car Adapter With USB Charging Car Charger MP3 Player,Hands Free Calling Feature: 【Dual USB fast charging】 a variety of charging protocols, USB interfaces can be charged at the same time, up to 3.1A, and smart shunt technology can quickly charge without harming the phone. 【Advanced Bluetooth 5.0 technology】 The built-in Bluetooth 5.0 chip provides a stable connection for playing music and making handsfree calls through FM frequencies, allowing faster pairing with compatible devices, and the built-in microphone can easily answe-r or end calls with on-e button. No need to hold the phone. This hands-free call car accessory makes your driving safer. auxiliary playing modes】 Plug and play, lossless audio quality, power off memory support, USB disk compatibili-ty , multiple playing modes. 【Navigation voice broadcast】Mobile navigation broadcast, built-in microphone, supports smart voice navigation of mobile phones, and its accuracy is the sound of various mobile phone applications. 【12V/24V car general】This on-board MP3 is applicable to 12V/24V cars, and is compatible. Product parameters: Bluetooth version: Bluetooth 5.0 Music format: MP3/WAV Frequency response: 20Hz-15Khz FM transmission frequency: 87.5-108.0Mhz Transmission distance: 10-15 meters Working voltage: 12-24V USB output: 5V 3.1A/5V 1A Package size:13X6.8X4.9cm/5.12x2.68x1.93inch Gross weight:53g/0.11lb The Package Include: 1x Host 1x Manual Our Car Accessories are Dedicated to Making Our Customers More Satisfied with Their Use, And We Will Focus on Customer Satisfaction to Improve and Update Our Products to Ensure that Every Customer Has a Good Experience! Our Car Accessories Must be Safe for Our Customers to Use, So We Ensure that Our Products Can be Used Normally and Safely When They are Made, To Ensure that All Customers Can Use the Products Safely. Our Car Accessories are also Very Practical, So that Customers in the Use of Up, Can Feel The Usefulness of the Product Everywhere, And Very Convenient to Use, Easy to Use!