Features1Compression Massage: It features built in gasbags in the foot, calf, and thigh area that provide an effective pneumatic compression massage, helping relieve leg pain, soreness, and stiffness for a more comfortable and relaxing experience. 23 Models: It offers 3 modes so you can customize the massage to your preference. Each mode has a 15 minute timer and is designed to assist in rehabilitation and relaxation. 3Rechargeable Batteries: Making it convenient to use and carry. The lithium battery features an integrated safety management system that provides protection against overvoltage, overheating, overcharging, short circuits, and discharge. 4Great Gift: It helps maintain beautiful and healthy legs by encouraging blood flow and circulation. It is a great gift for your loved ones, especially your mom, dad, or friend. 5Widely Using It helps increase blood circulation, making it ideal for long periods of sitting, bed rest, inactivity, and people who experience leg and foot fatigue.SpecificationItem Type: Air Compression Leg MassageMaterial: ABS, ClothBattery Type: Lithium ion batteryBattery Capacity: 2500mAh (shipped with built in battery)Mode One: Relax your legsMode two: Relieve fatigueMode three: Soothe musclesMassage Strength: 3 levelsTiming: 15 minutesPackage List1 x Air Compression Leg Massage 1 x USB Cable 1 x English instruction