Item Type: Lymphatic Soothing Neck Instrument_x000D_ Material: Plastic_x000D_ Battery Type: Lithium battery 200mAh (built in) 1VIBRATION REMINDER: Equipped with a vibration reminder function that will alert you with a gentle vibration whenever you slouch or maintain a poor posture for more than 25 degrees. 2REDUCE NECK PAIN: Lymphatic drainage soothing neck instrument provides intelligent massage and mimics various massage types to relieve the tension, perfect for office workers. 3ERGONOMIC DESIGN: Body shaping instrument fits snugly against your neck and other body parts to provide a comfortable and seamless experience, soft and delicate. 4PORTABLE DESIGN: Portable and lightweight, which is ideal for use on the go and provides a comfortable and effective way to improve your posture and relieve neck pain. 5WIDE APPLICATIONS: Perfect for all age groups and is suitable for people of all professions. A perfect gift for your family and friends who need posture correction. 1 x Lymphatic SoothingNeck Instrument 1 x Instruction Manual 1 x USB cable