Features: Elevates your sound experience with the PCM2704 USB decoding board, delivering 16 bit sound reproduction through advanced PCM2704 chip technology. This USB power sound module featured compatibility and space saving construction for integration. Perfect for audiophiles, electronics hobbyists, and developers working on embedded systems, sound players, or robotics projects requiring premium sound conversion. Effortlessly upgraded home theater setups, portable music devices, or experimental prototypes with studio grade analog outputs for speakers/headphones. Optimized for energy efficiency, this USB sound card module maintain without compromising device battery during extended operational. Specifications: Size: Approx.53.5x12.5mm/2.1x0.49inch Power supply interface: USB 5V Earphone output power: 12mW Package Includes: 1Pc decoding Board 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.