Sleepisol - Sleep Support Goods. Accessories: USB cable Purchased in 2022 No box or instruction manual. Non-smoker No pets. "Achieve peak performance with quality sleep" - A wearable device that supports restful sleep using CES technology. It's sleep tech effective for improving sleep quality and daily performance. It supports the secretion of serotonin and melatonin, addressing concerns related to sleep quality, daily performance, health, and beauty. Sleepisol is a compact and portable lightweight design at 28g. It can be used anywhere, such as before bed, before studying or working, or while reading or watching TV. The dedicated app allows you to conveniently configure detailed product settings and view usage history information for "sleepisol."