The improved Mirka Deros is now available with smart performance features such as the vibration sensor and Bluetooth connectivity. Mirka DEROS 5650CV - electrifying efficiency: Works on any conventional socket and provides superior performance. The highly efficient brushless motor has strong power and guarantees a constant speed, even under high pressure. The machine's innovative design ensures few wearing parts. The Deros is low-maintenance, ultra-reliable and durable. Unlike conventional machines, the Deros has a "closed design" that prevents dust from entering the motor and causing wear and damage.