Function:
1. Promote blood circulation to relieve eye fatigue and tension;
2. Prevent myopia or delay the progression of shortsightedness;
3. Keep insomnia sufferer easy to have light sleep;
4. Prevent and relieve eye bags, dark circles and small wrinkles;
5. Help the aged to delay the process of presbyopia

Technical parameter:
20pcs/ctn
retail box:24*18*14cm
carton box:56*48*44cm
G.W:12KG
N.W:10KG

Main parts:
1, one power plug 

2, two batteries