According to customer feedback, there will be an obvious feeling in 15 days, 2-3 months can be greatly improved. Specifications Size: M/L/XL (left and right points) Size: host 135×115×57mm Weight: about 426 grams for the host, 170 grams for gloves (single) Air pressure range: negative pressure=-80kpa, positive pressure=120kpa Function: Finger rehabilitation training, contracture stiffness correction, wrist joint correction. Size/Suitable for the crowd M: Children/youth size (suitable for children/youth use) L: Adult size (suitable for most hands) XL: Lengthened extra size (suitable for men/women with larger hands) Packaging Includes 1 x Host 1 x Rehabilitation gloves 1 x Mirror gloves Precautions * Please check whether the power supply part is damaged before use; * Do not plug or unplug the power supply with wet hands; * Do not use if the affected hand has symptoms such as abrasion, inflammation, etc. * Individual gloves must work with the host. Gloves alone will not work. * Please let us know the size of your palm,there are 3 sizes of the gloves:M/L/XL, and there is a left hand or a right hand.Please contact us before purchg.✓ Sincere Service -- According to customer feedback, there will be obvious feelings within 15 days, and improvement will be seen within 2-3 months. If you have any questions, please feel free to contact us. ✓ Portable Body And Multiple Modes -- The body is smaller than a book and weighs only 0.4kg, covering multiple modes required for rehabilitation training, automatic mode/mirror mode/adversarial training, which is more helpful for you to do rehabilitation training for your hands anytime, anywhere. ✓ Promote Recovery From Brain Damage -- Air pressure as the power, automatically drive hand activities, do effective training for hand recovery, can also act on the brain nerves and blood vessels, promote the conservative treatment of brain injury and postoperative rehabilitation. ✓ Bionic hand structure -- Intelligently imitate hand movements, imitate hand structure production, independent movement grasping, intelligently imitate hand grasping, extension and flexion and other actions, alleviate hand spasm, stiffness and other problems. The combined effect of multiple stimuli improves the recovery speed of hand function. ✓ High-Tech Hand Rehabilitation Equipment -- Stroke Hemiplegia Rehabilitation Robot Glove is used for hand rehabilitation training. Restore the dual functions of fingers and hands; promote blood circulation. Rehabilitation training for stroke, hemiplegia and trauma. Help you or your family recover faster!.