Specifications Is Batteries Included:Yes High-concerned chemical:None Electronic:Yes Certification:CE Application:LeG Model Number:Knee Heating Vibration Massager Material:Composite Material Origin:Mainland China Item Type:Massage & Relaxation Electric Cordless Knee Massager Relieve Arthritis Leg Massager with 3 Heat Levels USB Rechargeable Cordless Knee Heating Pad Muscle Stimulator Hot Compress Knee Brace for Muscle Fatigue Relief EMS Microcurrent Heating Knee Guard Features: 1. This electric cordless knee massager features 5 EMS microcurrent massage modes with 9 adjustable intensity levels, providing targeted relief for knee stiffness and muscle tension. 2. Our arthritis relief leg massager provides 3 adjustable temperature settings (45°C/113°F, 55°C/131°F, 65°C/149°F) to promote blood circulation and ease joint stiffness, ideal for knee discomfort and post-sports recovery. 3. The cordless heating knee pad features a detachable magnetic main unit that works as a complete massager or a standalone, portable knee support for versatile use anywhere. 4. With clear English voice prompts, this hot compress knee brace ensures easy, intuitive operation and enhances user confidence during treatment sessions. 5. Made of skin-friendly elastic Lycra, this microcurrent heating knee guard features 360° breathable support that stays firmly in place during exercise or daily wear. 6. Beyond the knee, this electric leg massager easily adapts to calves, thighs, and arms. It effortlessly soothes swelling and fatigue in different parts of the body, meeting diverse needs for daily use, exercise, and recovery. Specifications: Product Name: Cordless Knee Massager Product Model: XY-03 Materials: Yoga fabric, Lycra, conductive leather, ABS Color: Gray Charging Parameters: 5V 1A Rated Voltage: 3.7V Rated Power: 3.2W Battery Type: Lithium-ion polymer battery Battery Model: YN803040 Battery Capacity: 800mAh Timer: 20 minutes Charging Time: Approx. 2 hours Usage Time on Full Charge: 90 minutes Charging Indicator: Battery indicator flashes Can it be used while charging: No Packing List: 1*Knee Pad 1*Main Unit 1*Type-C Charging Cable 1*Instruction Manual