Features: Hot compress: humanized design, adapt to the curve of human neck, with constant-temperature heating function, massage effect is better. 2 massage heads provide a comfortable massage: tightly covering the muscles around the cervical spine and the painful areas of the whole body. Massage your head with high frequency vibration to relax your shoulder blades Versatile: Hot compress shoulder, relieve headache, chronic fatigue and neck muscles do not bend and so on. Intelligent pulses: there is no complicated operation process, the patch has micro-electric pulses, hot compress function, bring you the ultimate-enjoyment. Unlimited design: Enjoy unyielding massage anytime and anywhere, wireless hanging neck, light weight, easy to carry, suitable for family, office, business travel and other places. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material:ABS Size:15.5x14.5x4cm Color: White Color box size: 17.5x17x6cm Product size: 15.5x14.5x4cm Including color box: 230g Net weight: 147g Treatment-time: 15 minutes Massage duration: 15min/ time Massage modes: 4 Massage strength: 15 levels Rated voltage: 3.7V Rated power: 1.68W Rated current: 150MA battery, rechargeable / 400MA remote control Package List: 1*Pulses Design Massage Pillows