Specifications: Material: Medical silica gel, Size: 170x60x30mm, Weight: 95g, Battery capacity: 430mAh, Battery type: polymer lithium battery, Charging time: 1.5 hour, Maximum continuous use: 5 hour, Water repellency: IPX4, Vibrate mode: 6. Product Features: SVAKOM touch sensor activation, SVAKOM intelligent mode, Stainless steel charging port cover, Green material, Noiseless, Rechargeable. Lisa ¨C smooth and sophisticated, sensual and sublime. Lisa will bring you unequaled pleasure with her simple design and easy to use 5 speeds that can change with a simple touch of a button. Lisa is touch activated using intelligent technology: when you touch her tapered neck leading up to her supine tip, Lisa will begin to vibrate which allows for wonderful G Spot internal or external pleasure. Its up to you how youd like Lisa to create the ultimate sensual sensation.