Bluetooth 5.3 Audio for Stable, Efficient Performance Experience crystalclear sound and uninterrupted connectivity with advanced Bluetooth 5.3 technology. Enjoy a more stable signal and lower power consumption, ensuring longer usage time and reliable performance for all your audio needs. NFC OneTouch Connection Simplify your setup with NFC support. Just tap your NFCenabled device against the adapter for instant Bluetooth pairing, eliminating the hassle of manual connections. Versatile Connectivity Options Designed to work with a wide range of devices, this adapter features multiple input and output interfaces: Optical, Coaxial, RCA, Aux, TF Card, and Udisk. for upgrading older stereo systems with modern wireless capability, while still accommodating traditional wired sources. Extended Wireless Range With a professionally engineered antenna, enjoy a stable connection up to 20 meters (66 feet) away. Stream audio without worrying about dropouts, whether you are at home, in the office, or in studio space. Practical Use Scenarios 1. Upgrade Your Home Stereo – Connect this adapter to your classic audio system and stream music wirelessly from your phone, tablet, or computer. 2. Office Presentations – Pair with a conference room sound system for seamless audio without messy cables. 3. Event Setup – Use with professional audio equipment to play music from various media sources with reliable longrange performance. Compact, Durable Design Small in size yet packed with features, the adapter fits easily into tight setups and is built from quality materials for longlasting use. Compatible with multiple audio formats and connection standards, this Bluetooth adapter is the ideal solution for modernizing your audio systems while maintaining versatility and reliability.