USB 2.0 Type-A Male to 4-in-1 DC 5V 5.5x2.1mm 4.0x1.7mm Mono 3.5mm 2.5mm Power Plug Barrel Connector Charge Cable Adopted 22AWG pure copper cord as conductor. Cable length 150cm. Input: USB type-A DC 5V power. Output: DC 5V 5.5x2.1mm 4.0x1.7mm Mono 3.5mm 2.5mm. Please check you orinigal power must be 5V and Internal positive and external negative. The input and output power must be same volt, if your input 12v and output 5v, it will be demaged your device. The 2.5mm 3.5mm mono plug only for power. please don't connect it to audio jack, it will be demaged your device.
