Improved Device Pairing: Version 5.0 ensures stable connections and efficient transmission, enabling seamless pairing with mobile devices for convenient hands calls within range. Flexible Storage and Call Recording: Provides multiple storage options to organize and review important calls; supports a call recording function with easy, intuitive controls for seamless management. Energyoff Memory: No need to reselect songs or playback mode after a power outage; energyoff memory preserves and restores your last music selection and settings. Seamless Audio Experience: Builtin amplifier and decoding function deliver true stereo 225W output, with energy reaching up to 50W for a dynamic and clear listening experience. Use scenarios In a car or on the go: Pair with a mobile device to handle hands calls within range while enjoying quality audio playback, with calls recorded and stored for later review. At home or in a small office: Connect to a home stereo or speaker setup to enhance music playback with true stereo 225W output, and use the call recording and storage features to manage important calls. In a workshop or small business environment: Use the integrated memory and storage options to organize and replay critical conversations, while the reliable pairing keeps calls stable during business tasks.