Product specifications: Material: TPE + ABS Style: 4 styles (optional) Ordinary style: automatic sucking function + sound Heating style: automatic sucking function + sound + with heating function (no induction vibration) Smart style: automatic sucking function + sound + induction vibration function (no heating) Smart and heating style: automatic sucking function + sound + heating and induction vibration Charging: USB charging Battery: Built-in polymer lithium battery Working time: about 1.5 hours Charging time: about 3 hours Item size: approx. 225 * 60mm / 8.86 * 2.36in Packing size: approx. 242 * 158 * 75mm / 9.53 * 6.22 * 2.95in Package weight: approx. 740 g / 1.63 lbs Note: This product is available in 4 different styles. Please read the product information carefully before ordering. About logistics: fast delivery and guarantee your privacy, we will not display the item details on the package Package list: 1 *Masturbation Cup 1 *headphone 1 *cleaning tube 1 *lubricant 1 * USB charging cable 1 * User Manual This product highly simulates tongue sucking, which will provide realistic experience, Made of safe and non-toxic material, no harm to your body. Features: Safe Material: Made of safe and non-toxic TPE and ABS material, no harm to your body. Auto Heating: Just need 3 minutes to warm the cup to 40℃-45℃ after charging. Induced Vibration: Provide real body shaking experience. Intelligent Suction: With7 different suck modes(6 auto modes & one manual mode), 800 suck times/min. Manual Mode: You control the suck and vibration frequency by yourself. Sync Voice: With 6 kinds modes, and you can connect it to earphone through the earphone jack. LED Backlight: Built-in color-changing LED backlight. Rotatable Design: 165° rotation holder with sucker base, you can enjoy it in multiple positions. Realistic Channel: Soft, long, elastic and stimulating passage, providing deep throat experience. Hands-free Sucker: Release your hands, easy to use and easy to clean.