Ultimate Hand Relaxation Snailax electric hand massager combines compression, optional vibration, and heat soothing functions together to provide you with an enjoyable massage experience. It targets each acupuncture point of the fingers, palms, and wrists with acupuncture massage, pressing four fingers rhythmically. In this way, every inch of your hand can be fully massaged. Vibration & Soothing Heat Snailax hand massager machine provides optional vibration to soothe every inch of your sore muscles and soft tissues, effectively alleviating finger numbness, arthritis, joint pain, or carpal tunnel pain. Gentle heat therapy can eliminate your fatigue and coldness and promote blood circulation.