Bluetooth Workout Timer

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 -Workout-friendly interface. -Black theme for low battery usage. (for AMOLED display) -Background compatibility. *For volume control compatibility both device and headphones must support "volume sync". (The headphones volume buttons should control device media volume)