CES Device Alpha stim Device, Small and Easy to Carry,Improve Deep Sleep (CES)

【USB fast charging】Please note: After receiving the product, please charge it before using it. USB charging speed, easy to use, two available operating modes.
【Multi-scene use】Compact and convenient to carry, can be used in the office, home and business trips, you can use it anytime anywhere. Light weight and portable which can be put into your pocket.
【Thoughtful gifts】Do you often have trouble falling asleep and waking up? you should try something new to make some changes.
More detail informations please see the product manual which in the package box.