Acne Wrinkle Remover face skin Rejuvenation Face Skin Care Massage with 590nm Yellow LED Light Therapy Device

590nm Yellow LED Light Therapy Device Acne Wrinkle Remover face skin Rejuvenation Face Massage TB-1611C 1.    Product Description  1)   590nm Yellow LED Light Head 2)   Device Main Body 3)   Power Button 4)   Remove LED Light Head Button 5)   Battery Cover 2. Using the Appliance Before using the appliance, open the battery cover and insert 2 AAA batteries (batteries are not included). To replace the battery, turn the appliance upside down. Place a coin in the existing gap on the Battery Cover and rotate the coin counterclockwise to release the Battery Cover. Insert 2 AAA batteries. To close, align the gap on the side of the Battery Cover with the connection point on the appliance and press with your finger to stabilize the position, then place the coin on the gap in the Battery Cover and rotate it clockwise until it locks.   3.Remove and replace the LED light head Please, follow the instructions to replace the LED light head: 1）  Firmly secure the Device Main Body in your hand, pr