Information How to Use + Button * Shortly press the button to increase the suction. 4 levels in total. - Button * Shortly press the button to decrease the suction. 4 levels in total. Switch/Pause Button (Middle Button) * Long press on the button will turn the product on or off. * Shortly press the button to pause. Release Button * Under pause state, shortly press the button to release air. * Under pause state, long press on the button will make the product release air continuously. Feature Material: PC & ABS & TPR & silicone Water resistance: (sleeve & cylinder) waterproof; (motor part) not waterproof Charging time: about 4 hours Working time: about 1.5 hours Charging indicator: stays in red Fully charged indicator: red light extinguishes Size: (cylinder) length 11.8\'\'/ 30cm, insertable length 7.9\'\'/20cm, inner diameter of opening 2.3\'\'/ 5.8cm, outer diameter of opening 2.5\'\'/6.3cm; (silicone sleeve) diameter of entry 0.79 \'\'/2cm, outer diameter 2.5\'\'/6.4 cm; (flesh) diameter of entry 0.31\'\'/0.8cm, outer diameter 3.2\'\'/8.1 cm Weight: 16.4oz/466g Package list: 1x training pump; 2x silicone sleeve; 1x flesh; 1x USB cable Notice * The actual color may vary slightly from the online image due to monitor color settings. * Please allow slight measurement deviation for the data. * Recommended to use water-based lubes only.   * Silicone-based lubes will cause dissolution reaction. * It is a normal that the first charge leaves a small hole on the device.  Package Including 1x training pump; 2x silicone sleeve; 1x flesh; 1x USB cable