Features1Reusable: The neck massager has good conductivity and can be reused to meet the needs of different groups of people. 2Relieve Fatigue: The neck massager can effectively relieve physical fatigue and is suitable for use in multiple parts of the body. 3Waterproof: The neck massager adopts high quality waterproof PET patch, which will not affect the use after repeated washing. 4Wireless Connection: The neck massager is made of artificial PU leather fabric, wireless connection, and can be shielded by clothes. 5Portable: The neck massager is small and portable, easy to carry, travel in the bag will not take up space, can be used anytime, anywhere.SpecificationItem Type: Neck MassagerMaterial: PU leather, PETPatch: Approx. 15 x 6.5cm / 5.91 x 2.56in Host: Approx. 7.5 x 6.5cm / 2.95 x 2.56in Applicable symptoms:Sedentary office: Hunched over, shoulder and neck painElders: Long term housework is easy to get tiredLong distance drivers: Driving long distancesPlaying on the computer: The posture of playing games will remain unchanged for a long timePower supply mode: 2 x AA batteries (Delivered without batteries)Massage principle: TENS skin nerve stimulationApplicable parts: Suitable for massage on multiple parts of the bodyPackage List1 x Massage Patch 1 x Host 1 x English Manual