Feature:1. Pleasant Enjoyment: Massage powerful technology, stimulate the neck energy, each 15 minutes neck massage, like a masseuse to do a SPA for the neck.2. Utility: Cervical instrument can relieve fatigue, promote blood circulation, relax the muscles and bones. Relieve pain, help good sleep, revitalize the neck.3. Portable: Electric neck massager is comfortable and lightweight folding, portable, small and delicate foldable storage, fold up easily into your pocket bag.4. Long Lasting: 2 hours full, 240 hours of life, 500 mAh large capacity battery, compatible with universal Type C charging cable, fast charging, charging 2 hours, 15 minutes a day, available 10 days.5. Suitable for People: This product is suitable for all kinds of long time use of computers, cell phones and other electronic devices, can effectively relieve the cervical fatigue and other symptoms caused by prolonged fixed posture, playing with cell phones, reading, work and other situations.How to Use:Specification:Item Type: Electric Neck MassagerMaterial: ABSBattery type: Lithium ion batteryBattery capacity: 500mAh (shipped with built in battery)Applicable Symptoms:1-8 gear: Daily massage relaxation8-15 gear: Neck stiffness and pain15-20 gears: the neck doubly fatigueSuitable for the crowds: This product is suitable for a variety of long time use of computers, cell phones and other electronic devices, can effectively relieve the cervical fatigue and other symptoms caused by prolonged fixed posture, playing cell phones, reading, work and other situations.How To Use: 1. Operation before use1.1 First of all, use a wet towel to