12 Appearance Modes: Designed with matte texture, which can change the appearance of the product by rotating. Cylindrical arc design makes it more comfortable to hold. Heart shaped is more fashionable and beautiful. 2Battery: The sleep aid has a built in battery capacity of 180mAh, which is efficient and allows you to get a peaceful and quiet sleep for a long time. The sling hole is designed to be portable and easy to use. 3Decompression: Micro current regulates abnormal brain activity waves through the body, relieves negative emotions, and uses physical methods to solve insomnia, anxiety and depression. 4Soothing: Relieve abnormal brain waves CES transcranial micro current regulates abnormal brain activity waves through the body and feels the soothing effect of micro current on bad emotions. 5Setting Time: Preset 20 minute timer protection to prevent the risk of power consumption after falling asleep. Have a calming and relaxing effect, regulate your mood and promote sleep.