Sleep Aid Brain Massage Adjusts Heart Rate Relieves Concentration Relieves Anxiety And Is Compact And Easy To Carry Improving Deep Sleep SIZE:7.5cm/3.0in feature: [Sleep aid] This sleep device mainly helps people with insufficient sleep and poor psychological quality to fall asleep as soon as possible. At the same time, it has the functions of relieving migraine, relieving anxiety and releasing stress. It is small but powerful. [Anxiety Relief Project] Using this product, you can properly stimulate your hands and relieve anxiety with the same hand-brain frequency. Stimulate acupuncture points, promote relaxation, release stress, and let you sleep at ease. [Simple and stylish] Lightweight and portable, easy to operate. Light weight, small size, easy to use, two available working modes, low-frequency decompression mode and high-frequency excitation mode, just press the power button to adjust the mode, press +/- to increase or decrease the intensity. Use in multiple scenarios. [Use scene] It can be used in office, home, and business trips. 15 minutes a day can moderately relieve headaches, help you get rid of insomnia, anxiety, and sleep problems, and help you sleep well all night. [Holiday gift] Do you often fall asleep and can't get up? You should try something new to make some changes. Using this product, you can help you fall asleep faster and completely during sleep. This is a good gift for friends who have sleep problems This model requires an AAA battery (the product does not contain a battery) Product packaging size: 9*5*3cm Products include: 1 sleep device (without battery)