This rechargeable hand massager is built with ABS, soft PU and TPU material for comfortable wearing. Dimension:21179cm, equipped with built-in 2000mAh battery and 5W rated power. It adopts airbag compression kneading technology, paired with heating therapy. There are 6 massage modes and 6 adjustable intensity levels to satisfy different massage needs. The 15-minute auto shut-off timer brings safe and convenient operation. Perfect to ease hand stiffness, muscle soreness and numbness caused by long time typing, gaming or housework. Ideal for office workers, artists and people who suffer from hand discomfort. It is also a premium gift choice for family and friends.