Durable and Reliable Shutter Release Cable Premium, thick headphone wire offers a soft touch, resists pulling and wear, and adapts well to temperature changes. No tangling after unwinding, with excellent elasticity. High-quality flexible wire core and highly elastic metal contact sheet ensure durability and precise shutter line interface connection. Internal metal blade contacts minimize resistance, maximize conductivity, and resist wear. Metal copper tips on all contacts ensure a long lifespan. Double-layered button design with a micro-convex structure for easy pressing. Smooth sliding and pushing action with strong spring return and precise positioning. Supports focus, shutter, and BULB shooting lock. Capture photos by fully pressing the shutter. Lightweight and portable for easy carrying and use. Minimize vibrations during shooting. Capture inaccessible subjects with ease. Three shooting modes: single shooting, continuous shooting, and video shooting. 90cm shutter cord length offers lightness, stability, and portability. Ideal for night, product, advertising, stage, and commercial photography.