· ✔SAFETY: Supply Source Products manufactured with the highest quality materials and include multiple smart features safeguarding against IV - incorrect voltage, SC - short circuit, IO - internal overheating . Chargers are certificated with CE FCC etc.· ✔POWER SPECS - Input Volt Range: 100-240V / Input Frequency : 50-60Hz / Cable Length: 4FT· ✔NOTE: This Adapter is Brand New, High Quality Never USED (non-OEM). Please make sure the model of your device before buying· ✔AC/DC Adapter Replacement For RockJam 61-Key 561 RJ561 RJ-561 661 RJ661 RJ-661 RJ761-SK,54-Key 654 RJ654 RJ-654 RJ6544 Rock Jam Electronic Digital Piano Keyboard 9V - 12V Power Supply