1. Please install two AAA batteries (batteries are not included) before first use. Slide the battery cover down firmly, then insert two AA batteries and replace the battery cover. 2. Quickly jump to your favorite scenes with standard navigation and playback controls. 3. Comfortable buttons, made of silicone material, sensitive to operation, durable for a long time 4. Applicable models: suitable for Sony 4K high-definition smart LED TV 5. Please note that this product is only the remote control, no other