Features1The system default massage time is 20 minutes, and the massage time can be adjusted freely for 10?60 minutes. 20 levels of intensity adjustment, independent dual?channel output jacks, multiple people can use different massage methods and massage intensity. 3Rechargeable battery, it can be used continuously for 4?6 hours after charging. 2 charging methods, AC adapter (110?240V) or USB cable charging. 4The pulse massager adopts physical massage principle of electronic acupuncture and uses low frequency pulses to imitate acupuncture massage. 5The massager can relieve pain in the shoulders, waist, joints, arms, legs and other parts, soothe the muscles and prevent sub health.SpecificationItem Type: Muscle Stimulation MassagerPower Supply Mode: Lithium BatteryMaterial: ABSBattery Capacity: 200mAh (Shipped with built-in battery)Use range:(1) This product is mainly used for home electronic health massage to prevent family members from sub healthy state.(2) The scope of use of this product: homes, business gifts, shops, hotels, offices, etc.Working Principle:The rechargeable pulse massager adopts the physical massage principle of electronic acupuncture and uses low frequency pulses to imitate the 24 basic techniques of acupuncture massage.Package List1 x Massager Host 2 x Electrode Wire 4 x Electrode Sheet 1 x Power Cord 1 x Plug 1 x Manual 1 x Acupoint Map 1 x Winding Board