Output short circuit protection, overvoltage and overload filter protection.Real machine test, good aging safety performance.Good anti-interference performance.Small DC ripple, high working efficiency and fast charging speed.Low working temperature and long service life.Suitable for:For Galaxy Watch 4 (40mm -R860)Suitable for Galaxy Watch 4 (44mm -R870)Suitable for Galaxy Watch 4 classic (42mm -R880)Suitable for Galaxy Watch 4 classic (46mm -R890)For Galaxy Watch 3 (41mm -R850)For Galaxy Watch 3 (45mm -R840)Suitable for Galaxy Watch Active 1 (40mm -R500)Suitable for Galaxy Watch Active 2 (40mm -R830)Suitable for Galaxy Watch Active 2 (44mm -R820Material:plasticcolour:BlackPackage Contents:1 x ChargerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.