1. Multifunctional portable Bluetooth-compatible CD player: Supports CD playback, BT playback, FM radio, AUX-IN, TF card playback, U disk playback, 6-in-1 smart combination. 2. Support a variety of audio sources: Support various CD, CD-R, CD-RW, CD-MP3, CD-WMA. First-class audio source decoding, so that the sound quality is better. The surface of the machine is designed with a button-type disc protection cover, which can avoid machine failure caused by dust or fingers touching the disc core, and the disc protection cover can be automatically popped off by pressing lightly. 3. Built-in Bluetooth-compatible Smart Compatibility: Wireless 5.1 Bluetooth-compatible connection, real-time playback of music inside Bluetooth-compatible devices, fully compatible with mainstream smartphones, tablets, laptops and other Bluetooth-compatible devices. 4. Built-in shocking woofer: Use a high-sealed full-frequency internal magnetic horn on the speaker unit, with full pre-segment of medium, high and low frequencies. Strong bass shock; midrange sweet; treble loud and penetrating; double rubidium magnetic speakers, good frequency response range, distinct layers and excellent dynamic characteristics, making the sound more rich and layered depth. First-class audio source decoding, so that the sound quality is better. The surface of the machine is designed with a button-type disc protection cover, which can avoid machine failure caused by dust or fingers touching the disc core, and the disc protection cover can be automatically popped off by pressing lightly. Wireless 5.1 Bluetooth-compatible connection, real-time playback of music inside Bluetooth-compatible devices fully compatible with mainstream smartphones, tablets, laptops and other Bluetooth-compatible devices Supports CD playback, BT playback, FM radio, AUX-IN, TF card playback, U disk pl