PLAYBACK PORT: bluetooth play, TF card slot, U disk play, audio output. RESTORE SOUND QUALITY: restore the sound effect of HIFI speaker 3W level, the reason is to decode the little person and the volume high. GOOD QUALITY IN THE DETAILS: free and unlimited listening, enjoyment anytime, anywhere. THE SOUND IS DIFFERENT: the tone is clear, the strength is full of strength, not just the value of the face, only when you hear it you will be sincerely congratulated. LOUDSPEAKER: The wooden speaker bass is thick and clear, with strong audio carrying capacity, rich sound details without distortion, bringing you a constant bass experience. Improves sound quality with its acoustic design. Its dynamic bass compensation guarantees rich sound everywhere. SPEAKERS: The wooden cabinet bass is thick and clear, with strong audio endurance, rich sound details without distortion, giving you a constant bass experience. Function: NFC function Adjustable mid-bass bass card, radio, voice prompts, call function, remote control, subwoofer, stereo, dust-proof, anti-drop, silver broadcast reception Size: 4 inches Bluetooth version: 4.2 Reception distance: 10 m and more Rated power: 5W Shell material: plastic Support format: SD card MP3 U disk TF card Applicable scenarios: mobile and portable Connection method: 3.5mm audio jack Wi-Fi USB AirPlay connection Apple Lighting interface Apple Dock interface Bluetooth connection Card reader Speaker adjustment method: cell phone control button Playing time: 6 hours Speaker material: neodymium magnet Speaker: two speakers