About this item Compatibility: This charger is specialized design for Samsung Galaxy Watch 42mm/46mm SM-R800/R810/R815. ATTENTION: DOES NOT FIT FOR THE NEW GALAXY WATCH 3/WATCH 4/WATCH 5 series. Please NOTE: NOT charge for Galaxy Watch Active/Active 2. Could not be used with fast charger adapter and make sure that the charging current is below 5V/1A. Power Protection Inside (PTC): Keep safe from over-current or over-charging for Samsung Galaxy Watch when connected the power source. If you plug the charger after blue and green light flashed, there is no smarch the light isn't on Portable Design: Compact and lightweight design, convenient for travelers and business users. Make your smart watch charging become more convenient Easy to Use: Easy to know the charging status with LED Indicator and the charger came with a USB Cable only for Galaxy Watch Smart Watch.Tips: 1.When using the device or charging in a high temperature environment, you may feel that the device is hotter than usual due to the influence of the ambient temperature, which is a normal phenomenon of electronic devices. 2.Please do not charge in high-temperature environment or poorly ventilated place. 3.