5V USB Charger Tester Dual Display Current Voltage Voltmeter Detector Ammeter
4,11 €
POWER: Standby (STANDBY) This button cannot be switched. support MMC / SD / MMA and other cards, support USB interface (U disk);. 12.5V charging function;. 11.0~9: In the USB/SD to do the direct selection button, more than 10 consecutively input the number to be selected; in the FM state, do the direct selection button, you can directly input the station frequency and channel number.
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