... consumption: Passed V energy efficiency standards USB power adapter1.World wide voltage range:90-265VAC2 ... 25mA Surge Test±1KV D.M,±2KV C.M 4000~4200V ProtectionOver-load The power supply ... temperature reached 115 °CShort circuit The power supply will auto recovered when into Hiccup ... USB port,with LED indicator or withoutPackingCarton+sword+PE bag+white box 3. for MP3,MP4 usb power adapter/5v power ...