39Getting started− If you use the Gear VR while the charger is connectedto the Gear VR's multipurpose jack, it is powered by thecharger and does not use the mobile device's battery.When you use content that has high power demand(more than 1 A) while the charger is connected,the Gear VR uses two power sources. In high powerdemand situations, the Gear VR is powered by thecharger and the mobile device's battery at the sametime.− If the Gear VR is not used while the charger isconnected, the mobile device's battery will be charged.− If the Gear VR is connected to or disconnected fromthe charger while the Gear VR is being used, the imageon the screen may be briefly inactive. During thisperiod, the screen recalibrates and the Gear VR may notrecognise your head movements.• To save energy, unplug the charger when not in use. Thecharger does not have a power switch, so you must unplugthe charger from the electric socket when not in use toavoid wasting power. The charger should remain close tothe electric socket and easily accessible while charging.