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: Suitable for hemiplegic patients with dysfunction, training the wrist and fingers, improve muscle strength and increase the joint range of motion of the joints. Effectively relieve hand fatigue, stiff finger joints and pain. ?Screen Display: Finger Splint Brace has an LCD control screen and clear adjustment buttons. Very intuitive interactive design, patients can take care of themselves at home, training times and various modes are adjustable, battery display and gear adjustment. ?Finger Trainer: The rehabilitation treatment device only needs to connect the rehabilitation gloves and just start the machine and it is very convenient to operate. At the same time, it has an intelligent function of adjusting the degree of flexion and extension. ?Ergonomic Excellence: Rehabilitation gloves made from soft polymer materials, these gloves feature a three-dimensional design adapted to the human hand. two exercise modes (Automatic and adversarial), extending and flexing, which helps relieve hand spasms and stiffness. ?Rehabilitation Robot Glove: Hand splint to reduce flexion contractures and help maintain strength and comfort in the hand after a stroke, will keep the hand in place, long hours of work can restore the dual function of the fingers and hands.