Features Fully submersible. Easy to clean The soft, submersible material makes it incredibly easy to clean. USB rechargeable. With the included USB charging cable, you can take your SONA wherever you go. 8 modes for pleasure. A selection of stimulation modes designed to help you find the sensation you desire most. How to use: To unlock it, press the +/- buttons for 3 seconds until the light turns on. Press the + button to turn it on and increase the vibration intensity. Press the () button to try out the 8 stimulation modes. Press the – button to reduce the intensity of the vibrations and press it again to turn them off. Technical specifications: Material: ABS and silicone Finish: matte and glossy Dimensions: 99 x 88 x 56 mm Weight: 116g Battery: Li-Ion 530mA 3.7V Charging time: 2 hours at 5.0V 100mA Duration: 1 hour Stimulation modes: 8 Frequency: 120Hz Maximum noise level: <50dB Interface: 3 buttons