The micro-current simulated massage technique relieves muscle discomfort, activates muscle pressure, and achieves a soothing effect. Skin-friendly, free users from bound feelings.High elasticity and toughness plastic material, strong toughness, good rebound, suitable for different people. Fashion and Smart appearance, Shopping and working are not awkward! The built-in large-capacity charging power allows you to enjoy a comfortable experience for a long time.charger bank and mobile phone charger can charge this neck massager, Its convenient to charge in home and company. Compared to microwaveable heated devices that can easily be overheated or cool down, this Carbon fibre heating pad for neck stays within appropriate temperature range. No fire,5V safety voltage, Don't worry about burns the skin. Fabric tasteless and wear-resistant, Magic paste design,Easy to operate. Stimulate the blood circulation & relax the regional muscle to eliminate the inflammation swelling,keep warm, relieve fatigue, improve blood circulatioInstructions: 1. Twist the host with the gel patch. 2. Uncover the transparent film on the gel patch. 3. Attach the instrument to the area where you need to massage. 4. Press the ON/INC button to turn it on, the light is always on, press the ON/INC button again to start, the light flashes. 5. Press the PROGRAM button to select the desired mode. 6. Adjust to the massage intensity that suits you. Continue to press ON/INC to increase the intensity and OFF/DEL to decrease the intensity. Package List: 1X Massager Note: The patch of this product needs to be replaced frequently, and the frequency of use is about 30 times. Those who mind are careful to shoot. Do not touch the side of the adhesive patch with your finger directly after turning it on. Due to the different colors between different monitors and screens, the picture may not reflect the actual color.