1. High-definition digital display, detect and display the voltage of the car battery after power on2. Factory default language: English3. Support Bluetooth/U disk/TF card to play music (U disk/TF card supports maximum 32G extension), and can switch freely4. Built-in microphone, one-key answer/reject/hang up/redial call5. Real-time voice broadcast navigation, call voice report number6. Automatically memorize volume and FM frequency when shutting down7. Dual USB high-power power supply, smart charging, dual USB fast 8. Supporting APP and remote control can be customizedWireless version: V5.0Working voltage: 12V-24VLimit voltage: 9-26VOutput port: 3USB1 output: 5V/1A (read U disk)USB2 output: 5V/2.1AType-C output: DC5V/3ATF card slot: 1Music format: MP3 / WMAFM frequency: 87.5-108.0 mhzBluetooth effective distance: 10 metersFM effective distance: 2-3 metersStyle: A without ambient lightMaterial:ABScolour:BlackPackage Contents:1 * Car playerOnly the above package content, other products are not included.Note: Light 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 +/- 1-3cm.