Detachable connector design makes old audio equipment and headphones Bluetooth-compatible. High-performance Bluetooth-compatible 5.3 chip ensures faster transmission rate and lower delay. Dual-mode low-loss data transmission eliminates intermittent and stuck problems. Plug and play design allows for easy connection and portability. Connects to car AUX for navigation, calls, and music functions. Item Name: Adapter Material: ABS Plug: AUX Bluetooth-compatible: 5.3 Applicable: to AUX Equipment Features: Noise Reduction, High-performance, Fast Response Size Details: A, L: 4cm/1.57", W: 3.2cm/1.26", H: 1.4cm/0.55" (Approx.) B, L: 4.5cm/1.77", W: 3.2cm/1.26", H: 1.6cm/0.63" (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