Features:
*Hand-held sleep instrument: apply low-frequency electrical pulses stimulate to the palm, conduct from the nervous system of the hands to the brain stem to realize the same frequency of the hands and brain, have a positive effect on neurotransmitters such as endorphins and melatonin, and make the human body more calm and relaxed.
*Help sleep: Help sleep, relax the emotion, and the nervousness in the brain will change to guide sleep!
*Calm the mood: Reduce stress in daily life and work to relax!
* Invigorate the : the right-hand invigorate mode, get rid of troubles, improve concentration, double the efficiency of learning and work!
*Compact and lightweight, easy to carry.
*Heating mode design: In heating mode, it can better promote the rapid increase of neurotransmitters. 
 
Notice:
1.Actual color may be slightly different from the image due to different light effect
2.Please allow 1-3cm deviation due to manual measurement
              
Description:
Material: ABS+stainless steel
Size: 38*50*80mm
Input voltage: DC 5V/1A
Working power: 5W
Charging time: 2.5H full charge
Use time: fixed 20 minutes automatic shutdown, can be used about 40 times.
Charging interface: Typ-C charging
Product configuration: host*1, USB cable*1, Chinese and English manual*1, certificate*1

Package List:
1 x Smart Handheld Sleep Instrument