BTimer's real power is revealed when you use it with Bluetooth headphones that allows you to hear alarms and restart remotely without any interaction with your device, also has full background work support. The Timer can be controlled via: 1.Bluetooth headphones media controls and volume* buttons. 2.Device's volume buttons, display and notification panel. -Video recording feature that allows you to record yourself from a different point of view to follow your technique or share with your frien