Powerful – Dual motors, one in each ear. Flexible Positioning – For external and clitoral stimulation. Intuitive Controls – Four vibration modes, five power levels. Waterproof – Bath-friendly and completely washable with no leaky adaptor jack. Cordless Recharging – Simply place on the charging base. Travel-Ready – Good to go with convenient button lock. High Performance Lithium Ion Battery – Runs over 4 hours on single charge. Dimensions – 3.2″ x 1.9″ at widest point (8.1 x 4.8cm). Three Year Limited Warranty – Our commitment to quality.