Innovative 4D Deep Kneading Introducing an upgraded neck and shoulder massager with 4D kneading technology, simulating deep human-like massages. It covers a wider massage area, extending from the neck to the trapezius and shoulders. Engineered with 6 ergonomic massage nodes, it provides continuous and powerful massage pressure to provide your neck and shoulder with the comfort it deserve. Adjustable Gentle Heating Enjoy a soothing experience with the Snailax Neck Massager's adjustable heating function offering two settings (104°F/120°F) to gently warm the neck and shoulders, promoting relaxation. Auto-shutdown after 10 minutes ensures safety during use, preventing overheating.