I'm selling an item that I used only once and then stored away! It's in good condition, but please understand that it's a used item. The gel sheet is included, but it may be damaged as it has been stored for a while! You can use the product even without the gel sheet! Product Name: Smart Massage Belt (USB Rechargeable) Model Number: AD-56 Operating Voltage: DC 3.3V Operating Temperature: 10-40 ℃ Charging Voltage: DC 5V Power Supply: Lithium Battery Functions: 6 Modes, 15 Intensity Levels Accessories: Belt, Controller, USB Charging Cable, Instruction Manual 【EMS Abdominal Belt】 Uses a new type of conductive material to stimulate muscles with weak EMS electrical currents. 【LCD Display, USB Rechargeable】 The improved new model controller of the EMS abdominal belt is equipped with an LCD screen. The LCD screen displays 6 modes and 19 intensities. The abdominal belt is USB rechargeable, and battery replacement is unnecessary. 【Faster and More Effective Training】 The PU material used for the belt and the gel used are very gentle on the skin. It conducts electricity, and the exercise effect is even faster.