Efficient Pairing Capability Bluetooth version 5.0 delivers a more stable connection for efficient transmission and seamless pairing with mobile devices, enabling convenient calls within range. Storage and Call Management Provides multiple storage options for easy organization and later review of important calls; supports a call recording function with simple, convenient controls for seamless management. Memory and Playback Continuity Energyoff memory eliminates the need to reselect songs or playback mode; ensures seamless restoration of your music selection after an outage. Audio Performance Builtin amplifier and decoding function deliver true stereo 225W output, providing a quality audio experience with dynamic and clear sound and up to 50W of playback power. Use scenarios Invehicle hands calling and media playback: Pair with a mobile device via Bluetooth 5.0 for stable connections, easy call access within range, and reliable music playback while driving. Small office or home audio hub: Store and organize important call recordings, review them later, and manage calls with userfriendly controls for efficient communication. Portable music system with outage resilience: Enjoy music with an energyoff memory feature that restores your previous playback settings quickly after power interruptions, while delivering quality stereo sound.