Features1DEEO SLEEP AID: Handheld sleep device generates regular, symmetrical low frequency waves and helping to alleviate symptoms of insomnia and anxiety. 2MULTI PURPOSE: Sleep device can also be used by healthy individuals to enhance the quality of their daily life and work. It boosts energy levels and improves focus. 3STYLISH DESIGN: Handheld sleep aid device is exquisitely designed with a heart shaped element, offering a stylish and minimalist appearance for a pleasant visual experience. 43 STRENGTH LEVELS: Sleep aid device features 3 strength levels to suit different body types. It assists in sleep by allowing users to adjust the frequency according to their your own needs. 5ADJUSTABLE PERIODICITY: Sleep device adjusts periodically according to the physiological habits and sleep conditions of the human body, delivering currents through the handle to avoid direct stimulation risks.SpecificationItem Type: Handheld Sleep DeviceMaterial: ABSSize: Approx. 43.2 x 39.3 x 11.4mm / 1.7 x 1.5 x 0.4inTiming Function: 20 minutesBattery specification: 1 x CR2032 (not included)Package List1 x Sleeping Aid Device 1 x Lanyard 1 x English Manual