• Pressure massage: The Comfier hand palm massager is built with powerful pressure to massage all sides of your hands with 3 pressure modes and 3 intensity levels. • Total relaxation: Comfier electric hand massagers are designed to adopt compression massage and soothing heating to pamper every part of your hand and work on fingers and knuckles, relieving carpal tunnel and finger pains. • Wireless and portable: The Comfier wireless massager soothes hands and fingers from top to bottom. The built-in battery charges via a USB cable. Lightweight and portable, convenient for use at home, office, or on the go. • Heat therapy: The Comfier hand warmer massager with 3 optional heating levels helps keep your hands warm, promoting blood circulation and relieving muscle pain, numbness, and cold fingers.