WITRN U3 USB Tester Misuratore di Corrente di Tensione PD3.1 Cheater PPS Ricarica Rapida pe66
Boast WITRN WIUI multi-window concurrent UI interface. - WITRN U3 Next-Gen USB tester. - PD3.1 28V. - When charging low-power devices such as Bluetooth headsets, turn on the internal load of U3 to prevent the power bank from shutting down.