Features 1.Relieve fatigue, reduce lactic acid accumulation after exercise; relax muscles, guide muscle tissue to release vitality; promote blood circulation, improve the vitality of surrounding cells; relieve pain, relieve peripheral muscle nerves. 2.Relieve cervical stiffness and pain after long-distance travel; relieve pain in hands and feet after exercise and fitness; stick to acupuncture points after housework cleaning is more obvious; relieve long-term heads stiffness after playing crazy games. 3.Move freely, adapt to shoulders, back, waist, limbs, etc. 4.Breathable and skin-friendly, high degree of fit, not easy to warp, good conduction effect, eco-friendly, can be used repeatedly. 5.Mini size, portable and easy. Self-training at home in gym and office. Specification Condition: 100% Brand New Item Type: Muscle Massage Device Material: PC+ABS Color: As picture shown Product Size: Approx. 15.5x11.5cm/6.1x4.5in Weight: Approx. 110g Supporting battery: cell battery Battery model: 3V-CR2032 Rated time: about 15 minutes Battery capacity: 260mAh Installation steps: 1. the package contains massage body, gel sheet and CR2032 battery. 2. Insert the coin into the crack on the back of the massager, and gently turn to open the back cover; 3. Put the battery into the body, cover the back cover, and turn it off in reverse; 4. The conductive gel is made up of two transparent and blue protective interlayers, tear off the blue protective film before use; 5. Attach the conductive gel sheet of the protective film to the body according to the shape and press firmly; 6. Remove the transparent protective film and install it. Instructions for use: 1. Please read operation instruction in detail before using this product; 2. Please do not use it near the heart, above the neck, skin diseases (wounds) sprains and other injuries 3. Do not use during sleep or bathing; 4. The patch has a heating surface, so people who are not sensitive to heat must pay attention to it when using it. Package List 1 x Massage sticker host 1 x Gel patch 1 x Cell battery 1 x Instruction