HELLO II Wireless power supply 1. Input: The charging port is powered by a USB data cable. The built-in battery is 3, Per battery 550mA, 3.7V battery, and the output current is fixed at 1A; 2. Output: supply power to external equipment through the RCA interface or DC interface. Voltage range: (1-8 range corresponds to 5-12V) Press or – key to switch the voltage range, 5V is the lowest voltage, and 1 level corresponds. 5V, 2nd gear corresponds to 6V, and so on 8th gear corresponds to 12V; 3. Power storage: fast charge through the matching fast charge USB data cable. Normally, it can be fully charged in 1.5-2 hours. It is fully charged with 4 grids. It can be used for about 5-6 hours when the 8V is turned on. The voltage is stable. The last remaining battery needs to be charged to ensure the use time; 4. Packaging: Contains: Power supply * 1 Data cable * 1 English manual * 1
