Sound Quality: Information about the speaker's audio performance, including clarity, bass quality, and overall sound experience. Connectivity: Ensure that the speaker uses a reliable Bluetooth technology and check for compatibility with your devices. Battery Life: Check for information on how long the speaker can play music on a single charge and the charging time. Additional Features: Some Bluetooth speakers come with features like water resistance, built-in microphone for hands-free calling, or customizable EQ settings. Build Quality: Consider the materials used in the construction of the speaker and any durability features it may have.