Features: Universally Compatibility Remote Control for RMT-AM340U AM330U RMT-AM421U delivers seamless operate across multiple sound systems, eliminating device mismatch concerns with its broad spectrum design. Crafted with durability, impacts resistant plastic and intuitively tactiles button layout, this lightweight controller ensures precise navigation. Ideal for families with kids/pets or users seeking reliability sound control across living space, its ergonomic design accommodates all age groups for effortless entertainment management. Perfect to replace your break or old remote; The ergonomic design make it very comfortable. Perfect for everyone Specifications: Component:Plastic Size:Approx.16x5cm/ 6.3x1.97inch Suitable for sound models RMT-AM340U AM330U RMT-AM421U; Features: Lightweight design, easy to carry Technical parameters: Adopt high-sensitivity infrare transmission technology to ensures stable signals transmission Usage scenarios: home entertainment, office conference, education and training sound management; Package Includes: 1pc Remote Control note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.