Specification: 1. Material: ABS, aluminum alloy 2. Application: Common to all 5V digital electronic 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: 6.5 x 3.2 cm 8. Weight: approx. 25 grams
Characteristics: 1. Display: LED display, real-time monitoring of battery voltage as well as charging voltage and charging current 2. Brand new design, dual USB full output, private form, safe and environmentally friendly Bluetooth receiver, U disk player, FM reception and playback at the same time 3. Interface: Two USB ports work simultaneously and can charge multiple devices at the same time
