Compact 50mm Plastic Speaker50mm diameter; 8 impedance; 0.5W power rating; 0-20kHz frequency range; 88±3dB sound pressure level suitable for small electronic projects; Easy Integration for DIY ProjectsCompatible with Arduino and Raspberry Pi; no complex driving circuits required; ideal for smart home devices and digital displays; Reliable Performance in Various ApplicationsStable operation in temperature ranges up to 70°C; high pass rate ensures consistent sound output for alarms and printers; Low Power Consumption for Extended Use 1.8 µA sleep mode current; 72-hour operation with 2000mAh battery; efficient energy use for portable systems; Broad Compatibility and DurabilitySupports common development platforms; durable plastic enclosure; suitable for advertising machines and interactive kiosks