Two main working modes: 1. Masage/ Stimulation mode – 10 levels of stimulation; 2. Suction mode – 15 levels of. Way of charging – by rechargeable battery (1600mAh mAh) and adaptor (5VDC, 1.0A). Quiet motor providing discretion. With soft silicone pad, providing comfort. LCD display and buttones for adjsuting the modes and different levels. Included extra silicone valce and nipple 0+ with bottle ring. Size of the bottle 180ml/6.1 oz.