Halo Car MP3 Bluetooth Player Car Charger Car FM Transmitter 3.1A Car Charger (Elegant Zwart )

Specification:1. Material: ABS aluminum alloy2. Application: common to all 5V electronic digital products3. Input voltage: 12-24V4. Output voltage: 5V5. Charging current: 3000mA6. Interface: dual USB7. Digital display: voltage test FM frequency7. Size: 6.5x3.2 cm8. Weight: about 25 gramsFeatures:1. Indication: LED display real-time monitoring of battery voltage and charging voltage and current2. Brand new design dual USB full output private mold safe and environmentally friendly Bluetooth receiver U disk player FM simultaneous reception and playback3. Interface: dual USB ports work at the same time can charge multiple devices at the same time