White Noise Sleep Negative Computer Type Wireless RC Sleep Instrument Size: 7.5 cm / 3.0 inches feature: Sleep AidThis sleep instrument mainly helps people with insufficient sleep and poor psychological quality to fall asleep as soon as possible. At the same, it can relieve migraine, relieve anxiety, and release stress. It's small but powerful. Anxiety Relief ProgramUsing this product, you can properly stimulate your hands to relieve anxiety when the frequency of your hands and is the same. Stimulate acupuncture points, promote relaxation, release stress, and let you sleep peacefully. Simple and stylishLightweight and portable, easy to operate. Light weight, small size, easy to use, two 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. Used in multiple scenarios. Usage sceneIt can be used in office, home and business trip. 15 minutes a day can provide moderate headache relief, help you get of insomnia, anxiety and sleep problems, and help you get a good night's sleep. Holiday giftDo you often have trouble getting up from sleep? You should try something new to make some changes. With this product, you can help you fall asleep faster and more thoroughly during sleep. This is a great a friend with sleep problems This model is charged by USB Product packaging size: 9*5*3cm Products include: 1 sleep device 1XUSB