1Fit for Two Hands33 Modes & 4 Levels415-Min Auto Shutoff. 360° Full-Hand Air Compression Massage: Experience a wraparound massage with rhythmic air compression made to gently squeeze and relax your fingers, palm, back of the hand and wrist. Individual finger slots help provide more complete full-hand coverage, making this hand massager suited to relaxing tired hands after typing, working, gaming, crafting or everyday activities. 3 Massage Modes & 4 Adjustable Intensity Levels: Customize every massage with 3 modes—Gentle, Vitality and Strong—and 4 adjustable compression intensity levels. Whether you prefer a soft relaxing squeeze or stronger compression, this electric hand massager gives you flexible control for a more personalized massage experience.Note: Compression only. No kneading function. This is a relaxation tool for home use. The RAYNOCTI hand massager with heat and compression begins to feel warm in approximately 15 seconds and reaches up to 113°F (45°C) within 90 seconds. Soothing warmth surrounds the palm and back of the hand, helping cold, tired hands feel comfortable as you unwind after a busy day. A 15-minute automatic shutoff provides a convenient preset session. 15-Minute Auto Shutoff for Effortless Relaxation: Each massage session automatically stops after 15 minutes, giving you a convenient, preset relaxation cycle without constantly watching the clock. Enjoy your hand massage while reading, working at your desk, watching TV or winding down before bed. Cordless 2500mAh Rechargeable & Gift Ready: Powered by a built-in 2500mAh rechargeable battery with convenient USB-C charging, this cordless hand massager can be at home, in the office or while traveling. Fits Either Hand, Easy to Switch: This hand massager works with both the left and right hand. For right-hand use, simply position your palm facing upward or turn the device so the button side faces downward to enjoy soothing warmth and rhythmic pressure massage.With dimensions of 9.8 × 7.6 × 4.1inches,our wrist finger hand massager is designed for men and women, this massager accommodates everyone from petite office workers to men with larger hands.