1、Sleep Aid: The sleep aid device can properly stimulate the hand, make the frequency of the hand and brain consistent, relieve anxiety, promote relaxation, release stress, and provide you with sleep aid function.  2、3 Modes Are Adjustable: Active mode: improve study and work enthusiasm, boost your spirits when you're sleepy. relax mode: improve fall asleep speed and sleep quality, hand care mode: relieve palm fatigue and soreness.  3、No Side Effects: No medicine, no harm to the body, can be used with confidence. Exquisite appearance, ergonomic machine body, comfortable to hold.  4、Portable Design: Comes with lanyard, lightweight and in small size, can be easily put in your pocket, easy to carry. Suitable for study, office, home and business travel.  5、Wonderful Gift: Sleep instrument adopts ABS and stainless steel material, firm and sturdy, durable for use. Perfect gift for loved one, friends, parents, relatives, colleagues.