U‑Shaped Pillow with Mobile Phone Holder Vibration Massage Soft Adjustable Neck Pillow Condition: Item Type: U‑Shaped Pillow Material: Memory sponge Power Supply: Lithium battery Battery Capacity: 2000mAh Function: Relieve muscle fatigue and soreness stimulate blood circulation, relieve pressure, reduce fatigue and tiredness, promote physical and mental relaxation, and improve cervical sub-healthy status Rated Power: 3.7 Charging Voltage: 5V Automatic Timing: About 10 minutes Method of use 1. Press and hold the switch button for 2 seconds.The starter well of the massager starts working 2. Press the "M" button on a circular basis to switch to: kneading + vibration massage and kneading massage, vibration massage 3. Stop using, hold down the power button for 2 seconds, then turn it off 4. The massager is powered by lithium battery.If you are about e the power or have run out of it, please charge the massager and use it again 5. When charging.Please use the supporting charging cable of the product to check whether the power is connected. Usually, the DC interface has been inserted for charging 6. The voltage may be unstable during charging.Do not use the product during charging 7. It takes about 2 hours to recharge.Please unplug the power when full charged 8. This product includes accessories for local use, other market accessories are not allowed replace accessories that use this product Instructions for use of power cord: 1. Please check whether the voltage actually conforms to the product specifications 2. Do not use other similar parts to replace the parts of this product. 3. Do not touch the power or plug with wet hands to avoid causing machine or electrical failure. 4. Do not charge the product when the voltage is unstable Do not use this product when: 1. When the massager is out of order or damaged 2. If any abnormal or severe pain occurs during the massage, please stop the massage immediately and seek doctor advice. 3. In case of the above, please send the products to the service center for inspection and timely maintenance Statement of important Safety Matters: Please read all instructions carefully and follow the following instructions before using this product 1. Do not put the product in the bathroom or use it in a damp place 2. Do not expose the massager to direct sunlight or high temperature for a long time 3. Whether products are handed over to children, persons with physical or mental disabilities or persons with disabilities.It must be carefully accompanied and guided by a guardian 4. Lithium battery is built into this product.When discarding this product, please deal with the environmental protection of the city according to the following regulations Persons prohibited from using this product: If you have any of the following conditions, please consult your doctor before using 1. People who are receiving treatment or feel unwell 2. Patients with acute or sudden diseases 3. The drinkers 4. Teenagers, children The use of battery charging 1. Under normal operation.Rechargeable batteries last 2,500 times longer than charged and discharged batteries 2. Long-term use of rechargeable batteries will shorten the battery life.Recommended charging at least once or twice a month