1、The system default massage time is 20 minutes, and the massage time can be adjusted freely for 10‑60 minutes. 2、20 levels of intensity adjustment, independent dual‑channel output jacks, multiple people can use different massage methods and massage intensity. 3、Rechargeable battery, it can be used continuously for 4‑6 hours after charging. 2 charging methods, AC adapter or USB cable charging. 4、The pulse massager adopts physical massage principle of electronic acupuncture and uses low frequency pulses to imitate acupuncture massage. 5、The massager can relieve pain in the shoulders, waist, joints, arms, legs and other parts, soothe the muscles and prevent sub health. Item Type: Muscle Stimulation Massager Power Supply Mode: Lithium Battery Material: ABS Battery 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. 1 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