Realtime LED battery display shows the left earphone, right earphone, and charging case power in real time, so you can know the status without opening the cover. Bluetooth 5.3 core upgrade delivers more stable wireless transmission, easier pairing, and an enhanced experience for calls and music listening. The composite diaphragm is lightweight with fast response and fidelity, helping to optimize frequency extension and reveal richer audio details. Upgraded LED soft light display provides ataglance visibility of left and right earphones and the remaining charge of the charging case, without opening the cover. Use scenarios Daily commuting or travel: monitor battery levels at a glance while enjoying stable connections for calls and music. Office work or study: quick, reliable pairing and clear audio for meetings and multimedia. Exercise or outdoor activities: maintain a steady wireless connection and detailed sound while on the move.