The new generation of Flip 0 (Zero) will give you tons of fun! The gentle vibrations from the elastomer cavity put entirely new sensations at your fingertips. Instructions for use Charging: Connect the USB cable to the charging base and a power source. The approximate charging time is 90 minutes. Power On/Off: Press and hold the single button to turn the device on or off. Mode Selection: Press the button to switch between the 5 vibration modes: Low, High, Pulse, Alternating, and Random. Characteristics The new generation Flip 0 (Zero) design features gentle vibrations and an elastomer cavity for enhanced sensations. Two Vibration Cores are housed within the elastomer, an innovative feature from TENGA. It offers approximately 40 minutes of battery life. The product body and gliding arms are water-resistant, allowing for use in the shower or other humid environments. The charging base is not water-resistant. Functions Vibration modes: 5 modes available to explore different levels of intensity and vibration patterns. Certifications 1 year warranty. Materials Product: Elastomer, a soft and flexible material. Battery: Lithium-ion, providing an efficient power source. ABS/Silicone: Used in the products construction. Transparent case: PVC, allowing you to see the contents.