What Makes The Neck Acupoints Lymphvity Massage Device SPECIAL?Instant Relaxation - Provides a pleasant relaxation after a hard day at work.Better Blood Circulation - Sends small pulses through your neck to stimulate the muscles for improved blood circulation eliminating the swelling.Non-invasive Pain Relief - Relieves tension, pain, and long term exhaustion through the neck by targeting your natural acupressure points.Overall Health Benefit - Improves metabolism to help in stimulates sweat secretion, reduces fatigue, aids sleep, and improving posture.Portable and Handy - This is compact and handy and can be carried anywhere to provide instant relief.Boosts Lymphatic Detoxification - Combats the build-up of obstructions in your lymphatic system.Burns Away Fat and Sheds Excess Weight - It has fat burning effect to reduce fat which in turn reduces the appearance of excess weight for softer, smoother, and firmer skin.Power supply mode: battery or USB chargingOrdinary:Six massage modes, no constant temperature heating, weight about 150 grams.