Type: Rechargeable, 5-level heat and 3-level vibration wrist wrap, 1800 mAh (single unit).Color: Gray.Material: ABS + premium diving fabric.Rated voltage: 3.7V.Rated power: 7W.Input voltage: 5V.Input current: 1A.Input power: 5W.Battery: 1800 mAh.Charging time: Approximately 3 hours.Usage time: Approximately 3 times, 30 minutes per charge.Power supply: USB Type-C rechargeable.Charging status: The charging indicator will turn green and display "LL." When fully charged, it will display "HH."Note: If the product is plugged in while it is powered on, it will automatically stop. Do not power on or use the product while it is charging. Unfolded wristband dimensions: 37.5 x 9 (at widest point) x 0.2cm / 14.76 x 3.54 x 0.08 inches.Packaging dimensions: 20.2 x 13.5 x 8.5cm, Net weight: 131g, Gross weight: 249gFunctions:1. 5-speed far-infrared heat therapy: 40C, 45C, 50C, 55C, and 60C, effectively relieves wrist pain and is effective for conditions such as tenosynovitis, mouse hand, and hand pain.2. 3-speed massage vibration intensity: 1 for daily care, 2 for exercise care, and 3 for wrist relief, meeting various massage intensity needs.3. 30-minute smart timer for safer use and prevents overuse.4. NTC temperature control system with temperature control chip for safe and scalding protection. 5. Breathable fabric, lightweight and warm without bulk. The outer layer is windproof, the middle layer is infrared-heated, and the inner layer has anti-slip ridges.6. Wristband, suitable for both ambidextrous and ambidextrous hands.Package Contents: 1 * Rechargeable 5-Level Heat and 3-Level Vibration Wrist Brace, 1800 mAh (Gray - Single).Note: 1. Requires a pair, order two.2. Due to different monitors and lighting effects, actual colors may vary slightly from the image.3. Due to manual measurement, please allow 1-3 cm deviation. Please refer to the actual product received.