Main function: suitable for charging Apple Watch Emission current: 180ma Working frequency: 100-200KHz Conversion efficiency: greater than 72% Charging method: magnetic induction charging Applicable model: Apple Watch4 Parameter characteristics: 1. Output short circuit protection 2. Overpressure and overload filter protection 3. Using imported components, real machine test aging safety performance is high 4. Good anti-interference performance 5. Small DC ripple, high working efficiency and fast charging speed 6. Low working temperature and long service life.