Wireless Bluetooth Speaker K Song Volume Home Outdoor Mobile Phone Card Subwoofer Portable Speaker Features: 4-inch 45 magnetic, large speaker bass diaphragm, the bass is more tension, only the large speaker has the shocking sound. Lossless sound effects, the music never stops, the tone is full, and the music is wonderful. Upgraded Bluetooth 5.0, longer connection distance, Bluetooth 5.0 version, 10 meters wireless connection is more stable, faster, and longer. Supports AUX playback, no Bluetooth can play, supports computer, tablet, mobile phone, and other 3.5mm interface devices Four playback modes, Bluetooth, disk, , AUX, four modes to choose from Microphone karaoke, 3D stereo surround sound, supports mobile karaoke software, Bluetooth connection can listen and change songs, stable transmission (this version is wireless Bluetooth enhanced version + microphone function) Long-lasting battery life, built-in high-capacity lithium battery, continuous listening to music without interruption Product Description: Material: ABS Size: Approx. 10x13x19cm/3.9x5.1x7.5in Frequency response range: 60Hz-15KHz Output power: 10~20W Signal-to-noise ratio: 60dB Play time: about 4~5 hours Bluetooth version: v5.0 Connection distance: 10 meters Play mode: Bluetooth/U disk/TF card/FM radio/AUX Package list: 1x Wireless Bluetooth Speaker, 1x Data Cable