No built-in battery, needs to be connected to power supply/mobile power supply for use. The direct plug power supply is more powerful than the rechargeable version Product Features: -Frosted display screen, high-definition display, easy to operate -ABS body, anti-slip and anti-fingerprint -Simple buttons, one-button start -Can choose single-finger, two-finger, multiple-finger, and paired-finger training -Compact and portable, flexible training allows more freedom -Intelligent operation, silent and noise reduction -Built-in smart chip, safe and stable -Brand new upgrade, strong power, surging performance Product specifications: Product name: Finger training device Product size: L105×W88×H41mm Product weight: main unit about 199 grams, gloves about 200 grams Product function: Assist hand exercise Recommended use: 2-3 times a day, 15 minutes each time Output:5V/2A Scope of: ?The patient's finger joints recovered after the injury. ?Stroke, brain injury, cerebral palsy, spinal cord injury, orthopedic surgery, ?Sequelae of hand dysfunction caused by multiple sclerosis. What will you get? Recovery gloves X1 (left or right hand) Host X1 Auxiliary strap X1 Instruction Manual X1 Power plug X1 Data cable X1 Precautions: The single use time should not be too long, and it is recommended to control it within 20 minutes.Portable Rehab Robot Glove---Hand stroke recovery equipment are small and lightweight, equipped with portable auxiliary strap. Patient could use it anytime and anywhere, whether at home or traveling, promote blood circulation, and eliminate hand fatigue caused by work long-term. Portable & easy to use---The finger rehabilitation gloves are designed with a high definition LCD touch screen with english instructions for effective operation and use by patients. Robotic Hand glove, the elderly can also complete the training independently. Particular Finger Training---The back of each finger corresponds to an independent air valve. Air pressure can be turned off to a particular finger by the white valves. It easy to isolate a particular finger or fingers for training. Meeting different traning and promotes finger flexibility while rebuilding strength. Adjustable Intensity & Speed---Stroke rehab robotic glove Can adjust intensity and speed, Meet the needs of different degrees patients. smart display large screen, hand grasping, stretching and flexing, split finger, single finger, multiple finger training, which improves the recovery speed of hand function. 2024 top material--- It has an half cut design features, a wrist extension exerciser can be worn comfortably on wrists and finger. Can enable patients to wear one button to start independently, easy to operate, absolutely breathable material is comfortable, lightweight, soft, versatile and skin-friendly Anti-shrinking material is durable and will keep function after repeated wear.