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 permanently and save money while protecting the environment. 9V battery terminal: male is positive, female is negative, compatible with standard 9V 6F22 battery. Input USB 5V, output DC 9V. This cable is not intended for charging 9V batteries. Powered by USB charger or power bank. Includes USB power adapter for easy use. Ideal for Bosko's ElectroSpit ESX-1 Mobile Talkbox. Recommended for a variety of devices including smoke alarms, digital cameras, game controllers, toys, clocks, and other 9V-powered 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 / 78.7 inches Note: 1. Conversion: 1cm = 10mm = 0.39 inch 2. Please allow 0–1cm error due to manual measurement. Ensure you are comfortable with this before purchasing. 3. Due to differences in monitor displays, the image may not reflect the actual color of the item. Thank you! Package includes: 1 x USB power supply cable 1 x Power adapter