Basically, most of the charging head can be match with millet wireless charger, but it doesn't match with 5 v \/ 1 a, besides can basically meet the requirements.
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For example, if it is paired with 5V\/2A or 5V\/2.4A, it can achieve 5W slow charge, and if it is paired with QC2.0 or QC3.0 charging head, it can achieve 7.5W\/10W fast charge, so we can choose the charging head according to our own needs