Features:* 100% brand new and high quality. * Massage part: neck/back/waist/hip/leg and other parts. * 8 modes & 19 Levels: There are different intensity levels for each mode (Tapping, massage, massage, squeezing, tapping, kneading, training, shaping) Users can choose different intensities according to individual needs.* Helps relieve tiredness, relax muscles, improve blood circulation, and burn fat.*, Unlike the existing general massaging devices that only rub the outside of the muscles, massager stimulates the inside of the forces as well, to enhance the blood circulation effectively for quick recovery from fatigue.* Small size, lightweight, easy to carry and store.Specification:Product Name: mini cervical massagerVoltage: 3.7VPower: USB ChargingHow to use: A-F (8 modes), 19 gearsFrequency: 1-100HZWorking Hours: 15 minutesOutput: 35mA maximumBattery Capacity: 200mAHFrequency: 1~100HzColor: Blue, BlackSize: As the picture showsPackage includes:As the picture shows