Battery; Charging The Battery - Samsung Gear S2 classic User Manual

Basics

Battery

Charging the battery

Charge the battery before using it for the first time or when it sits unused for extended periods.
Use only Samsung-approved chargers and accessories which are specifically designed for your device.
1 Connect the USB cable to the USB charger head.
Then, connect the other end of the USB cable to the
wireless charger dock.
Prevent the USB charger port and the small
end of the charger from coming into contact
with conductive materials, such as liquids,
dust, metal powders, and pencil leads.
6