Glasses mirror helps improve awareness of your surroundings while cycling. It makes it easier to spot vehicles approaching from behind, such as cars driving too close or cyclists attempting to overtake. This bike mirror offers a wide-angle, high-definition view and is fully adjustable to suit your preferred viewing angle. 360-degree adjustable rotation: The mirror can be positioned at various angles to provide an optimal field of vision. When riding, it delivers a broad and clear rearward view without obstruction. Enhanced safety: Designed for use with eyewear or helmets, this bicycle mirror supports safer riding by allowing you to monitor traffic and movement behind you. Ultra-lightweight: Weighing only 12 grams, the mirror is compact and lightweight, ensuring comfort during long rides without adding strain. Compatible design: Fits most cycling sunglasses and goggles. With dimensions of 92 x 41 x 30 mm (3.62 x 1.61 x 1.18 inches), it provides an extended rear view to help enhance rider safety. Durable materials: Constructed from strong, impact-resistant acrylic and reflective mirror materials for reliable performance. Specifications: Product name: Glasses bracket rearview mirror Material: Acrylic Size: 92 x 30 x 41 mm Color: As shown in images Package Included: 1 x Glasses bracket rearview mirror Notes: 1. Due to differences in monitors and lighting, the actual color may vary slightly from the images. 2. Please allow 0.1–2 cm variation due to manual measurement.