Universal 3-12V Adjustable Voltage Adaptor Charger USB AC/DC Power Supply Adapte

USB output: 5.0V2.1A. DC head output: 2.5 0.7mm 3.5 1.1mm 3.5 1.35mm 4.0 1.7mm 5.0 2.1mm 5.5 2.5mm. Model : 30W multi-function power adapter.

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