Feature: 1. Output short circuit protection. 2. Overvoltage and overload protection. 3. Real test of aging, high safety performance. 4. Good anti-interference performance. 5. Small DC ripple, high working efficiency and fast charging speed. 6. Low working temperature and long service life. Applicable models: For Samsung Watch 5 / 5 Pro For Samsung Galaxy Watch 4 (40mm SM-R860) For Samsung Galaxy Watch 4 (44mm SM-R870) For Samsung Galaxy Watch 4 classic (42mm SM-R880) For Samsung Galaxy Watch 4 classic (46mm SM-R890) For Samsung Galaxy Watch 3 (41mm SM-R850) For Samsung Galaxy Watch 3 (45mm SM-R840) For Samsung Galaxy Watch Active 1 (40mm SM-R500) For Samsung Galaxy Watch Active 2 (40mm SM-R830) For Samsung Galaxy Watch Active 2 (44mm SM-R820) Package included: 1 x Charger (not including watch)