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* 5 types of air pressure + 3 different types strengths of " high , medium and low ".
* 12 types of vibration function + 3 types different strengths of " high , medium and low ".
* 3different strengths of hot compressing.
* 2 types of massage position for eye circle.
* LCD display + 15-30 minutes periodical control.
* Batteries 1.5V×4Pcs or AC adapter .
E, FDA approved.
