Bluetooth 5.3 connection for fast pairing and reliable performance - Bluetooth 5.3 technology reduces transmission delay and connection defects, delivering faster, more stable connections with minimal audio degradation. - Auto reconnect to known devices for seamless use after power on or when returning to range. Hands-free calling and music control - Built-in microphone enables hands-free calls while driving or on the move. - Clear voice capture for phone conversations and smooth music playback without removing your phone. One-button control for easy operation - Single button supports answer, reject, end call, and redial. - Quickly switch between incoming calls and music without fumbling with your device. Wide FM frequency range for consistent sound - Wide FM frequency range helps maintain a steady, clear wireless sound experience. Compatibility and performance - Designed to work with Bluetooth-enabled devices for reliable, high-quality audio. - Optimized for stable performance, clear voice transmission, and smooth transitions between calls and media. Use scenarios - In the car: make and receive hands-free calls while driving, and enjoy uninterrupted music playback. - At home or at the office: manage calls and music with effortless single-button control without accessing your phone. - While commuting or traveling: automatic reconnect to previously paired devices for quick, hassle-free use and consistent sound quality.