Description Item Type: U Shaped Massager Material: Cotton Power Supply Mode: Lithium Battery Battery Capacity: 2000mAh (Included) Recommended Crowd: Office, Driving, Travel, Cervical Sub Healthy People1[Scientific Decompression] The M shaped arc neck protector design provides strong support and comfortably supports the head and neck without pressure. Reduce fatigue, use the back of the head, neck, and cheeks to disperse the pressure on the neck to reduce fatigue. 2[Full Support and Silent] 360 all round support, full support and partition design, high and low curved surface design, close to the neck curve, uniform force to reduce pressure points. High frequency noise reduction design, anti interference noise reduction motor design. 3[2 Way Massage] Two way positive and negative kneading massage, 4 sets of 6D high low massage head kneading massage, deep cycle rotation, soothing the tightness of the neck and shoulder muscles, full of strength, make you enjoy the rest time quietly. 4[Multi Speed High Frequency Vibration] High frequency vibration motor, ingenious and appropriate force on the amplitude of the neck and shoulders, relax the neck and shoulder muscles, relieve the shoulder and neck pain from a days fatigue. 5[Hot Compress] A large area of hot compress around the neck can transfer heat to the body, which can promote the decomposition of the accumulated fat in the neck. At the same time, it can help detoxify and lose weight under the effect of heat energy with good effect.1 xUShapedMassager1 x USBCharging Cable