Item Type: Handheld Sleep Device <br>Material: Plastic, Stainless Steel <br>Product Size: Approx. 7 x 3.2 x 2.5cm / 2.8 x 1.3 x 1in <br>Battery Type: Lithium Battery 3.7V500mAh (built in)<br>1、Anxiety Relief: Actives cortical neurotransmitters through microcurrent to regulate mood and promote sleep, so that the frequency of the hand and brain is consistent, relieve anxiety, promote relaxation. <br>2、Improve Sleep Quality: CES effectively improves the secretion of various neurotransmitters in the body, and the sleep device help relieve stress, help fall asleep, and improve sleep quality. <br>3、Relax Quickly: Handheld sleep device takes only 20 minutes to make you more relaxed and has the ability to relieve migraines, relieve anxiety and release stress. <br>4、Easy to Use: The sleep instrument can be connected to a computer USB port, mobile power, power supply, etc. with long battery life. <br>5、Applicable Scenarios: Using a sleep aid in the office or study area can help you focus on what is important and get the job done efficiently.<p>1 x Sleep Aid Device</p><p>1 x USB Cable</p><p>1 x Instruction Manual</p>