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.Applicable people, finger dysfunction caused by finger flexion spasm, cerebral palsy, cerebral infarction sequelae, restore the dual functions of fingers and hands, PROMOTE BLOOD CIRCULATION, AND ELIMINATE HAND FATIGUE CAUSED BY WORK LONG-TERM. Hand splint, HAND FLEXIBILITY TRAINING/PROMOTE BLOOD CIRCULATION/RESOLVE HAND STIFFNESS, accelerate the recovery process of hand function, help users relearn brain nerves, accelerate brain recovery, supplement nerve damage, and make patients regain self-care ability of hands. The manual rehabilitation device has an LCD control screen and clear adjustment buttons. Multiple modes, AUTOMATICALLY USE FIVE FINGERS, SINGLE FINGER, A PAIR OF FINGERS, MULTIPLE FINGERS, ETC. Training after starting, easy to use without difficulty, independent air valve switch, any finger can flex and stretch freely. 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. The Robotic Hand Trainer is small and lightweight, whether indoor or outdoor, you can train anytime and anywhere, the elderly can also complete the training independently. 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.