Samsung Gear S2 classic User Manual page 10

Basics
Make sure the Gear's microphone is not obstructed when you are speaking into it.
Do not disassemble, modify, or repair your device. Placing objects, such as magnetic
stripe cards, including credit cards, phone cards, passbooks, and boarding passes,
next to the device or charger may cause damage from the charger or device's
magnetic field.
Wireless charger dock
Wireless
charging
surface
LED indicator
3
USB charger
port