The Volas Hand Massager with Heating and Air Wave Technology is listed to help ease hand tension and everyday fatigue, with soothing warmth, air-pressure massage, various settings and a compact portable design. It sits in Electrics. There is one default variant.
The first photo is a cream dome with three buttons. Use any in-box steps for those buttons. Tension and fatigue lines are not treated as proven medical results.
See the Volas hand massager in Electrics.