ITEM NAME:3V To 5V 0.7A USB Charger For MP4 MP3 Phone DC-DC Converter Boost Boost MEA.Module Nature: Non-Isolated Boost Module (BOOST). 1 Step Up Boost Module. Full Load Temperature Rise: 30-40 Â °C. Input Mode: IN+ Input Positive Level, IN- Input Negative OUT Output, Or USB Output. We'd like to settle any problem in a friendly manner.
