Wonder why your device charge slowly? Wonder if your charger, cable or device is at fault?
Compact and easy to carry. Test your usb voltage and current

Photo proof that your mail is mailed out.

QC2.0 (Qualcomm 2.0)

DESCRIPTION FOR ( USB CURRENT DETECTOR - QC 2.0 ONLY)
Qualcomm 2.0

New Measuring range: DC 5v - 20v
current: 0-3a (error: ± 1%)





======================================


INSTRUCTION FOR USE ( USB CURRENT DETECTOR - BLUE ONLY)