Effective relief of muscle so-ren-ess :4 variable head accessories 4 speed pe-rcussion ma-ssa_ger, promote daily activities, myofasc-ial release. Perfect for physi-cal therapi-sts, chiropractors, athletes long caseworkers, white coll-ar workers, drivers, office crowd, bodybuilders, fitn-ess enthusiasts, sports enthusiasts, etc., or anyone with m_us-cle p-ain proble Easy to use: Ergonomic design with one-click control allows for quick use without difficulty. Easy to use, to relieve mu_sc-le sp-as_m, reduce and prevent muscle atr-oph_y, promote b-loo_d circul-ation effect is good. Silicone handles are easier to grip and prevent slipping, and easier for women to use. Tap at any time and enjoy at any time: USB interface can replenish power anytime and anywhere, and the charging bank can also charge. Perfect gift selection and considerate after-sales service: ideal gifts for Christmas, Valentine's Day, Mother's Day, Father's Day and birthday. It's a good option for those with long hours at their desks, tens-ion in their necks and shoulder blades, and swollen calves.