Tip: Avoid using an electric massager on an empty stomach, full meal, drinking alcohol, and after strenuous exercise, especially violent stimulation massage, which will further accelerate blood circulation and increase smooth muscle movement in the part, causing nausea, vomiting, gas PromotesProduct Name: Shoulder and neck massagerPower mode: USB / car / communicationApplicable parts: neck, back, waistColor: red, whiteMassage temperature: 3 steps adjustmentMode: 6 optionsMassage intensity: 16-speed adjustmentCharging time: 3 hoursStandby time: 5 daysBattery capacity: 2200mAhTips: 2. It is recommended to wipe the skin when using, and then open the massage. It is recommended to use no more than 30 minutes a day, 2 times a day, 15 minutes each time, and use it on a weekly basis; it should not be too long.Precautions:The manual measurement error of the manual product is 1 cm, which is normal.Due to the difference between light and display, all product images are taken in kind. There are some normal colors.The delivery time is approximately 15 working days.If you do not receive the product within 30 days, you can leave us a message and we will reply within 24 hours.