Features: 1.Orthoknee Massager ProVibrates at a High Frequency, Creating a Deep-Tissue Massage That Can Relieve Pain and Tension. 2. Smart Knee Massager has Multiple Vibration and Heat Settings, Allowing Users to Customize Their Massage Experience to Their Specific Needs. 3. Carbon Fiber Hot Compress, Low-Grade Heating 40 Degrees, High-Grade Heating 55 Degrees. 4. Ergonomic Design, Fully Wrapped to Fit the Knee Joint. 5. Led Screen, Touch Buttons, Clearly Visible and Easy to Operate. 6. Rechargeable Lithium Battery, Safe, Stable and Long Battery Life, Type-C Interface Charging, Common with Mobile Phone Chargers. 7. Ergonomic Design, Fully Wrapped to Fit the Knee Joint of Orthoknee Massager Pro - Knee Heating Massager Controls: 1. Automatically Identify and Shut Down Within 2 Minutes After Booting. 2. It Has the Function of Beeping Every Time the Key Is Touched. 3. 10 Minutes Timing Automatic Massage. Specification: Name: Chirotech Kneefix Knee Heating Massager. Product Material: ABS+Mesh. Input Voltage/Current: Dc5.0v/2.0a. Rated Power: 7.5w. Charging Time: 3-4h. Full Charge Use Time: 2-3h. Battery Capacity: 5000mah. Product Weight: 320g/pc. package weight:420g/pc. Interface: Type-C Interface. How to Use: 1. Please fully charge the product before using it for the first time. The charging time is about 2-3 hours. 2. Then press the switch button to adjust the temperature, vibration and phototherapy effect according to individual needs. Package Include: 1 * Orthoknee Massager Pro, 1 * USB Cable, 1 * Manual, 1*58cm Extended belt. Notes: 1. Due to manual measurement, there is a certain error in the product size. 2. Due to lighting effects and shooting angles, there may be chromatic aberration in the product, please understand.