Features: 1Relieve Anxiety: Handheld sleep aid machine can properly stimulate hands, make the frequency of hands and brain consistent, relieve anxiety, release stress, and provide you with sleep aid function. 2Improve Insomnia: Handheld sleep device can relieve stress, help sleep and improve sleep quality. It needs to be used continuously for half a month. 3Relaxation Mode: Handheld sleeping aid massager pulse is placed in your right hand. Hold the device with the palm of your hand and center the electrode. 4Widely Used: Can be used for study, office, family and business travel. 20 minutes a day can relieve headaches, help you eliminate stress, anxiety, sleep problems and help you sleep. 5Perfect Gift: Sleep aid instrument is small and exquisite, with compact wireless design, it is the best gift for friends and relatives, and you can use it anytime and anywhere. Package included: 1 x Handheld&nbspSleep&nbspAid&nbspMachine 1 x Manual 1 x USB Charging Cable