(!!! Note: w/ Barrel Round Plug Tip. NOT for USB ❌ end versions. Someone may have bought it by mistake. Please Check For Compatibility With Your Unit. Thanks.) Onerbl New Global 5V AC / DC Adapter Compatible with BigFun BF-730F Key Lighting Electronic Keyboard Mini Keys Big Fun Piano 61 Keys 100 Tones & 100 Rhymes Workstation DC5V 5VDC 1A DC5.0V 1000mA 5.0V 1.0A 5 V 1 A 5.0 VDC Switching Power Supply Cord Cable Wall Home Battery Charger Mains PSU Tested Units. In Great Working Condition. Brand New, High Quality Replacement AC/DC Power Charger Adapter Input: AC 100-240V 50/60Hz Auto (Worldwide AC Input) Over Voltage Protection, Over Heat Protection Onerbl AC adapters are manufactured with the highest quality materials tested and designed to meet the power needs of your device. This power supply allows you to operate your device or charge its battery from electrical power outlets.This adapter converts AC power into the DC power required by your device. Onerbl adapters are great solution during travel.This adapter has been validated and tested to ensure it will work with your device.