Features: The TRRS 3.5mm jacks breakouts enables seamlessly audios output and microphone input integration for boards, featuring four distinct contact point for precise signal control. Its headers and compactly design allow effortless prototyping, while the TRRS configuration supports simultaneous stereo audios transmission and external mics connectivities. Design for electronics enthusiasts and educators, this breakouts board suits DIY maker developing audios projects, for audios Projects, or multimedia device prototypes. Use this TRRS audios interfaces module to build customs MP3 player circuits, voice controlled setups, or educational STEM set requiring stereo sound and mics integration. Pre-soldered pin for microcontrollers quick connection Specifications: Component:Plastic Size:Approx.18x13x7mm/0.71x0.51x0.28inch Rate voltages and current: DC30V 0.5A Voltages with stand: AC500V Option Type:4pcs,8pcs; Package Includes: Package A 4pcs 3.5mm Stereo audios jacks breakouts Board Package B 8pcs 3.5mm Stereo audios jacks breakouts Board note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.