The Hand Held Sleep Aid Machine is a high-quality and durable device designed to help promote relaxation and support better sleep. It features a portable design for convenient use at home or on the go. The device includes a built-in battery with USB charging for long-lasting and easy use. Features 1. Constructed from high-quality ABS and stainless steel materials, the device is stable, durable, and designed for reliable performance. Simple one-button operation for ease of use. 2. Designed to support users who have difficulty falling asleep, this device may help promote faster sleep onset and improve overall sleep quality. 3. When held, the device delivers gentle stimulation through the palms, intended to produce a calming effect that supports healthy sleep patterns. 4. Lightweight and compact design makes it easy to carry. Equipped with a Micro USB charging port and a 400 mAh battery for extended usage between charges. 5. Suitable for use in various settings, including at home or in the office. May help support relief from occasional headaches and promote relaxation. 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 x Sleep Aid Device