Specification: 1. Material: ABS, aluminum alloy 2. Application: common to all 5V electronic digital products 3. Input voltage: 12-24V 4. Output voltage: 5V 5. Charging current: 3000mA 6. Interface: dual USB 7. Digital display: voltage test, FM frequency 7. Size: 6.5x3.2 cm 8. Weight: about 25 grams
Features: 1. Indication: LED display, real-time monitoring of battery voltage and charging voltage and current 2. Brand new design, dual USB full output, private mold, safe and environmentally friendly Bluetooth receiver, U disk player, FM simultaneous reception and playback 3. Interface: dual USB ports work at the same time, can charge multiple devices at the same time
