Hub - brand generique - DC 5V to DC 9V USB Boost Converter Cable with 5.5 X 2.1 mm DC Jack X 2.1mm Description: Plug & Play, this 5V to 9V DC converter is really convenient when traveling or outdoors, just power it with a 5V 2A power bank and you can start operating your 9V devices. Widely used, very convenient for different kinds of devices such as fan, table lamp, wireless audio, wireless router, speakers which need 9V power supply. USB input: 5V A male; DC output: 9.0V; Max Current: 0.8A; PLEASE NOTE: DC connector size is OD: 5.5mm and ID: 2.5mm (2.1mm). Please check if it fits into your devices power socket. Safe and reliable, with built-in upgraded intelligent IC circuit, our voltage adapter provides your devices perfect protection against overcurrent, overvoltage, overload or short circuit. Longer Transfer Distance: 1m/3.3ft power cord and no loss current, makes long distance transfer free. specification: Input: 5V Output: 9.0V Current: 0.8~1A Package includes: 1 Piece 5V to 9V DC-DC Converter