Features: Replace 9V battery power supply cord,This eliminates the need for 9V batteries,Long Term Green Solution Saves Time and Money Allowing You to Operate Electronics, Toys, Radios, and Much More From the Included AC Wall Transformer. 9V Battery Eliminator / Replacement cable - Replace Your 9 Volt Batteries Forever and Save Money and protect envilement. 9V Battery Terminal male is Positive,female is Negative,as the same as 9V 6F22 Battery,Input USB 5V,output DC 9V,but this cable can not use to charge 9V battery. Power supply by USB charger or power bank and more,with USB Power Adapter,easy to use,A Must Have for Bosko's ElectroSpit ESX-1 Mobile Talkbox. Recommended for a variety of devices including smoke alarms, digital cameras, game controllers, toys, and clocks and more 9V devices. Specification: Material: Plastic Color: Black Model:US plug,EU plug(optional) Power adapter input: AC 100-240V 50-60Hz, USB output: DC 5V 2A 9v plug output: 9V 0.7A Power Cable length: 200cm/78.7inch Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1x USB Power Supply cable 1x Power adapter