1. 10 modes and 20 gear adjustments can meet your various usage needs and adjust according to your own needs. 2. Equipped with an ear clip wire, it can be used as an ear clip sleep aid to improve sleep and help you fall asleep peacefully. 3. Equipped with 2 pairs of electrode patches, it can be used as an EMSphysiotherapy device to help you massage your whole body and relieve muscle soreness. 4. The design of CES microcurrent and low-frequency pulses can scientifically guide your sleep and improve your sleep quality. (CES is a safe, non-invasive, non-drug method that relieves anxiety, insomnia and depression through mild electrical stimulation of the brain, also known as transcranial microcurrent stimulation therapy, which helps improve sleep. Continuous use will have more obvious effects.) 5. It is easy to use and can be used safely even by teenagers and the elderly. Product name: Ear clip CES sleep aid Input voltage: 5V/1A Battery capacity: 80 mAh Charging time: 2-3 hours Usage time: 6-8 hours Product size: 6.5 x 3 x 2.3cm Host size: 5.1 x 2.8 x 1cm Host net weight: 14g Ear clip wire: about 1 meter long Electrode patch: up to 7.7 (main body length 6.7cm) x 4.3cm wide One-to-two electrode wire: about 1.2 meters long (buckle diameter 3mm) Note: Spray saline or tap water on the conductive silicone head before use, and the clip needs to be moistened every 30 minutes. Color: White & Black Material: ABS Package Contents: 1 set * Sleep monitor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.