Advanced Bluetooth 5.0 Technology: Experience seamless connectivity with our mini sound card, featuring the latest Bluetooth 5.0 for stable and quick pairing with your devices. OTG Functionality: Enhance your device's audio capabilities on-the-go with OTG support, making it perfect for mobile phones and computers. Versatile Use: Ideal for various audio needs including singing, stage performances, and live streaming, this sound card ensures superior sound quality and reliability. Compact and Portable: Designed for users who need mobility without compromising on performance, this sound card is small in size but big on features. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:Black Material:Metal + Aluminum Alloy Package Contents: 1 * Mini Sound Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.