Baipester- + อะแดปเตอร์สายเคเบิ้ล Usb Dc 5V to 9V 12V 3.5x1.35 มม.

USB power boost line DC 5V to DC 9V / 12V Step UP Module USB Converter Adapter Cable 3.5*1.35mm 5.5*2.1mm Plug Product Application: 1.With this cable, you can connect your power bank to router. 2. Use this cable, you can supply your car Air Purifier by power bank 9V boost line: With the boost components, the input voltage of 5V via USB components, the boost to 9V voltage 0.5 ~ 1A 12V-through: with boosting components, the input voltage of 5V via USB components, boosted to 12V Voltage 0.5 ~ 1A Pro, buy the following criteria 1: Voltage Selection Pro directly in back of the product label, or you can see the power products, power supply input 9V and 12V standard, depending on your router to choose our pro corresponding boost cable. (9V, 12V output boost line 0.5 ~ 1A, if you are a product you can not use more than 1A) Package included: 1Pc