Rechargeable Knee Massager with Heat - Ideal for Post-Work, Sedentary Lifestyle, and Relaxation, Battery-Powered, Polyester Material, Knee

Power Mode:USB Charging Operating Voltage:≤36V Battery Properties:Rechargeable Battery Rechargeable Battery:Lithium Battery-18650 Series Battery Capacity (mAh):1800 Does It Have EMS Function?:No Rechargeable Knee Massager with Heat - Ideal for Post-Work, Sedentary Lifestyle, and Relaxation, Battery-Powered, Polyester Material, Knee | Ergonomic Design | Thermal, Knee Relie