This washign machine comes with a ecobubble feature which froths detergent with air and water before the cycle begins generating cleansing bubbles that penetrate fabrics faster than concerntrated detergent wash clothes as effectively in cool water as you would in warm water which saves you energy the digital inveter motor feature an innovative brushless design and uses magnets to drive the drums rotation with the new motor there is less friciton which means there is less noise and vibra