Features: Experience targeted relief with 36 red LEDs (660-850nm), heat , and vibrations massage in this electric neck massager designed to alleviating muscle tension effectively. Features a 3000mAh rechargeable battery for 2 hour cordless use, 3 adjustable heat levels (45°C 55°C 65°C), and customizable vibrations intensities to personalizing your warming use. Great for office workers, frequent travelers, and fitness enthusiasts seeking pains relief for neck, shoulder, lower back, or limbs after long hours or workouts. Use at home while relaxing, during work breaks to combat stiffness, or on trips for instantly muscle recovery its lightweight design stays secure with stretchable straps. Soft crystal fleece fabric ensures breathable during extended wear, while multi joint adaptability makes it a multiuse solution for full body wellness. Specifications: Component: Crystal Velveted Product Size: Approx. 85x12.5cm/33.46x4.92inch Color: 01/02/03 Power: 7.4W Output: 3.7V Package Includes: 1PC Electric Heated Warmer note: Please allow 0-1cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item