Versatile connectivity: The portable radio box stereo speaker features a micro SD slot, a USB port, a 3.5 mm auxiliary input, and a headphone jack, providing broad playback options from memory cards, USB drives, wired devices, and private listening. Bluetooth streaming from a compatible device is also supported for easy wireless playback. Enhanced audio performance: Enjoy rich, powerful sound with a bass boost function that reinforces low frequencies, complemented by a dual VU meter that provides a visual cue to your audio levels during playback. Flexible playback options: Switch between cassette tapes, AM/FM radio, and Bluetooth streaming to effortlessly play digital music directly from your phone or other Bluetoothenabled devices. Creative recording and mixing: Builtin microphone and recording function enable you to capture voice notes and create mix tapes directly on the unit. Practical use scenarios: In the kitchen or workshop, use AM/FM radio or cassette playback for background music while you work, with the option to connect Bluetooth or AUX for additional sources. In a bedroom or dorm, pair with a phone via Bluetooth to stream music, or use the USB/SD inputs to play offline collections, while the headphone jack allows private listening. For creative projects, use the builtin microphone and recording function to capture ideas, memo recordings, or to assemble and save a custom mix tape.