Features: This motherboards speaker set delivers essential sound diagnostics through distinct beep codes, instantly indicating hardware status during PC startup for quick troubleshooting. Plastic construction ensures easy integration into any computer case via dedicated motherboards header without driver or additional software. Ideal for PC technicians, builders, and repair shops requiring reliable BIOS error alerts to diagnostics and maintenance workflows. Optimized for power supply anomalies during computer assembly, upgrades, or hardware troubleshooting. Standardized BIOS compatibility provides universal error code recognition across multiple motherboards, ensuring consistent in electromagnetic intensive environment. Specifications: Component:Plastic Size:Approx.6.50cm/2.56inch Package Includes: 1PC Small Speaker note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.