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.MULTI-MODE TRAINING: Automatic mode and confrontation mode, split-finger, single-finger, multi-finger training, which can be switched freely during training. In general, 20 minutes of training time is a reasonable time, and it is not recommended to train for a long time. SUITABLE FOR: Stiffness, high muscle tone, poor control, mild weakness, weak muscle strength, adhesion, weakness, poor control finger flexion spasm, cerebral palsy, finger dysfunction caused by sequelae of cerebral infarction, hand rehabilitation gloves long working hours can restore the dual hands function. HAND SPLINT: The rehabilitation training gloves adopt a finger separation design, which can separate and fix the fingers to prevent them from moving. Keep your hand in place while you gently stretch the phalanx and avoid contractures that can sometimes occur after a serious medical error. STRENGTH ADJUSTMENT: Finger robot the function keys are designed with touch screen, which is intuitive and easy to operate, and is more convenient to use. During the rehabilitation process, patients can adjust the strength, flexion and extension strength and grip strength according to their different needs. MATERIAL: Humanized design, half-cut design. Easy to operate, absolutely breathable material is comfortable, lightweight, soft, versatile and skin-friendly. The anti-shrink material is durable and will continue to perform after repeated use. It adds multiple knuckles on each finger and at the same time has a longer battery life.