Double-Layer Winter Hat with USB Flashlight Universal Beanie Style - Perfect for autumn and chilly winter outfits, this hat fits well and can be adjusted by turning it outwards. Suitable for women, men, children, and adults. Winter Two-Layer Insulated - Ideal for winter and cooler days in spring and autumn, providing comfort and protection from cold and wind. Luminous with 3 Lighting Functions and USB Charging - Features a built-in LED flashlight with three modes: 100% continuous light, 50% continuous light, and strobe. The removable flashlight allows for easy washing and charging. Simply remove it from the hat and insert it into a USB port for charging. Wide Application - Suitable for women, men, children, and adults. Perfect for running, cycling, walking, and working. The flashlight ensures visibility from a distance. Specification - Material: acrylic, others: PVC + PC + ABS + PU; Color: black; Size: universal (stretches); USB rechargeable lamp: yes; Removable lamp: yes; Washable: yes; Dimensions: 20 x 21 cm (without stretching); Weight: 90 g; Weight in packaging: 94 g. This headlamp cap is a practical accessory for various situations, providing both warmth and illumination.