Features 1. The sleep aid instrument is made of high quality material, stable and firm, durable for use. one key to turn on, adjust power. Easy to fall asleep every day. 2. Quick Sleep Aid: This sleep aid device can helps people with lack of sleep and poor psychological quality to help you fall asleep as soon as possible and get a healthier and better sleep. 3. Gently hold the sleep aid machine, the micro current is transmitted to the brain through the Laogong acupoints in the palm of the hand to produce a calming and relaxing effect, helping to sleep healthily. 4. Light weight, small size, latest aid sleeping device is easy to carry around. USB charging design, multiple power supply modes, easy and convenient charging, long endurance. 5. It can be used in the office, at home, moderately relieve headaches. Let you get rid of insomnia, anxiety, sleep depression, insomnia, and help patients get good sleep. Specification Material: ABS, Stainless steel Color: White, Blue, Yellow Size: 7.5 x 5 x 3.5 cm Weight: 56 g Battery: 400 mAH Input voltage: DC5V /1A Working power: 0.5W Charging port: Micro USB Package Include: 1 Sleep Aid Device About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 133625 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.