1. Input: AC110-220V; Output: 4.00-12.00V.

2. Charge time is approximately two to five hours when the phone is powered off.

3. Length of the Cable: 3.5 feet; Cable diameter.: 2 m

4. PWM circuitry consists of High frequency transformer and Switching Transistors, it has the specialties of wide output voltage, stable capability, small output electric wave, safe separation of high voltage and low voltage

5. Interior components and the PCB main board are all made of environment protection material.