-Electric handheld massager can help relax and relieve pain on neck, shoulder, back, arms, legs, feet, calf and sore muscles. You can change different heads to target a specific area or to customize your massage sessions -Electric handheld massager features gradually variable speeds and 3 vibration patterns, whether you prefer a gentle surface massage or a high-speed massage, you can adjust the vibrations to your comfort level -Two-head design is great for use on areas such as neck, back, legs and foot -And perfect for athletes, the elderly, and anyone experiencing aches and pain -It produces little noise(less than 60db),allows you to enjoy a relaxing massage when watching TV -And you can enjoy the massage at office without interrupting others -The anti-slip handle is comfortable to hold, and long enough to reach areas that are hard to get such as shoulder blades and lower back. And it is light weight which makes it easier to use and carry -Material: Massager: ABS plastic, PVC; Attachment tips: PVC(Polyvinyl Chloride) -Rated voltage: AC 110V -Rated power: 28W -Working time: 15 minutes per session -Frequency: 50Hz