The "XertMt" Bluetooth speaker (often identified as the ) is a compact, multi-functional portable speaker popular for its built-in RGB lighting and diverse playback options.
Most Xertmt speakers have a 1200mAh to 3600mAh battery, providing 6–24 hours of playtime.
Even with IPX7, do NOT charge the speaker while wet. Always dry the charging port cover thoroughly before opening the rubber flap. Saltwater is particularly corrosive—rinse with fresh water after beach use.
If the speaker becomes unresponsive or exhibits audio artifacts, a factory reset (hard reset) is recommended:
