French vape expert recently does a hands-on review about the UM10 and UM20 chargers that can recharge batteries in addition to a phone or a box thanks to a second USB port.
Review By: Vap'ed
French vape expert recently does a hands-on review about the UM10 and UM20 chargers that can recharge batteries in addition to a phone or a box thanks to a second USB port. The charging speed and stability is delightful.