Key benefits Bluetooth 5.3 enables smoother transmission, more stable connections, and better overall wireless performance. Dual mode switching with Bluetooth and card insertable support provides flexible playback options via wireless or local memory. Advanced sound pickup and noise reduction with sceneaware voice recognition prioritizes human speech, reduces ambient noise, and minimizes impurities for clearer audio. It functions as an MP3 player and a recording device, expanding its practical applications. Core features and specifications Bluetooth version: 5.3 for improved transmission quality Modes: Bluetooth wireless listening and card insertable dual mode switching (microSD card playback) Audio processing: deeply customized sound pickup and noise reduction algorithm with sceneaware voice recognition Functions: Bluetooth earphones, MP3 player, and recording device Compatibility: supports Bluetoothenabled devices and microSD cards for local playback Use scenarios Daily commuting or office use: pair with a phone or tablet to enjoy music or take calls with stable connectivity and clear voice pickup, even in environments with background noise. Offline listening: insert a microSD card to access MP3 playback without relying on a connected device, ideal for travel or workouts. Onsite recording or lectures: use the recording capability with adaptive noise reduction to capture clearer audio in noisy environments.