5V DC 2.0A Wall Adapter AC Power Supply 5V DC 2A 3.5mm/1.3mm Class 2 Transformer COMPATIBLE WITH: Devices Having 3.5mm/1.3mm OD/ID. Input Voltage : AC 100-240V (Worldwide AC Input), Input Frequency : 50-60Hz. DC Output: 5V DC at 2A Connector: 3.5 * 1.3mm Power supply. Polarity: Inside positive outside negative, inside x(+) outside i(-). Note:Pls make sure the output and tip size is correct MONEY BACK GUARANTEE -MONEY BACK GUARANTEE - We are Company that wants your Repeat Business so, if You Do Not Like our Product or Don't Want It For Any Reason, We Will Happily Accept The Return and Give Your Money Back. No Questions Asked. 30 Days Money Back Guarantee - 24 Months - Exchange.