Features :- TENS Low Frequency Pulse Technology - Equipped with TENS low-frequency pulse massage technology, it continuously and gently stimulates nerves, muscles and cells, helps relieve pain and fatigue, unblocks meridians and relieves nerves.- Dual Host Design - Dual-host design, easy to combine massage area and techniques. The magic stickers can be attached to different parts of the body for massage, and different massage techniques can be set, which is efficient and time-saving. If the area of ? the sore area is large, you can also splicing the two main units into one piece to enjoy a large area of ? relaxing massage.- 16 Power Gears - The 16-speed massage intensity can be adjusted according to different degrees of muscle fatigue and tolerance, making it more comfortable and delicate to meet the massage needs of a variety of people.- Four Button Control - Concave-convex blind control design, icon-type buttons, all functions can be completed with just one finger control.- Durable Battery Life - The host is put back into the charging box, and it can be charged as soon as it is placed. It has a strong battery life and can be charged wherever it goes. A single host can be used for 4.5 hours when fully charged, and the charging compartment can provide 3 charges for dual hosts, with a total battery life of up to 27 hours.- Delicate And Compact - Small size, precise location of pain points. It is suitable for the shoulders, neck, back, waist, limbs and other parts. You can freely move and enjoy a full-body massage. - Specifications :Brand - LERAVANProduct ModelLJ-U8ColorGreyHost Rated Power0.3WCharging Voltage5V=Host Battery Capacity60mAhCharging Box Battery Capacity450mAhHost Timing15 Minutes - Working Temperature-10?-45? Executive Standard - GB4706.1-2005 GB4706.10-2008Weight - About 98g - Product Size60.8*46.1*95mm - Package Included :1 x Massage Sticker1 x Charging Case