The Oclean Air T2 is ultra-quiet (37 dB) and removes plaque thanks to its premium brush head. Switching between the Morning Mode and Night Mode is easy with a long press of the button. Always on the go? The toothbrush charges in 2.5 hours with the magnetic charging station. The battery lasts up to 30 days. The Smart Timer indicates every 30 seconds that it's time to switch sides. After 2 minutes, the toothbrush automatically turns off.