Features:Multifunctional, relax muscles, relieve your cervical vertebra, relieve fatigue, say goodbye to cervical spondylosis.It is obviously effective to alleviating the symptoms of cervical arthritis, and lumbar muscle strain.It can ease peripheral nerve palsy and myalgia, also can promote blood circulation.Effectively solve the inconvenience of carrying a large massager, it can be used at work or in the gym or outdoors.Built-in 2000mAh high-capacity battery, it can work for about 90 minutes after being fully charged.Through the expansion and contraction of the electric control airbag, it falls down together and swings up and down, so as to realize the rhythmic extension of the waist and stretch the lumbar pressure.Intelligent setting for 15 minutes, lying on the bed, sofa or on the ground can realize lumbar stretching, hot compress and vibration massage, and relieve lumbar muscles.Specifications:Material: ABSColor: Light GreenChar ging input: DC5V/2AWorking current: 200mARated po wer: 10WBattery: 2000mAhItem Size: 420 * 195 * 80mmPackage Size: 472 * 215 * 119mmPackage Weight: 1700gPackage List:1 * Waist Massager1 * Charging Cable