Stable and continuous Bluetooth-compatible connection with 5.1 compatibility for seamless audio streaming. Quick one-second pairing and 95% faster response speed for instant connectivity. External antenna enables long-distance transmission for uninterrupted music playback. Durable aluminum alloy shell design resists pressure and rust, while the matte texture adds a fashionable touch. Compatible with all devices with audio input and output interfaces, and supports automatic playback from U disk without any lag. Item Name: Adapter Material: ABS Bluetooth-compatible Version 5.1 Transmission Distance: Wireless Barrier 20 Meters Power Supply Interface: TYPE-C Input Interface: Optical Fiber/coaxial/AUX/USB/Bluetooth-compatible Output Interface: R/L AUX Supported Equipment: Mobile Phone/Computer/Television/Projector, Etc. Size Details: L: 11cm/4.33", W: 8.5cm/3.35", H: 2.5cm/0.98" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Adapter