Wireless Bluetooth Speaker K Song Loud Volume Home Outdoor Mobile Phone Card Subwoofer Portable Speaker Features: 4 inch 45 magnetic, big speaker bass diaphragm, the bass is more tension, just the big speaker has the shocking sound. Lossless sound effects, the music never ends, the timbre is full, and the music is wonderful. Upgraded Bluetooth 5.0, longer connection distance, Bluetooth 50 version, 10 meters wireless connection is more stable, faster and farther. Support AUX playback, no bluetooth can play, support computer, tablet, mobile phone and other 3.5mm interface devices Four playback modes, Bluetooth, disk, TF card, AUX, four modes to choose Microphone karaoke, 3D stereo surround sound, support mobile karaoke software, bluetooth connection can listen and change singing, 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 Specification: Material: abs Size: About 10x13x19cm/3.9x5.1x7.5in requency response range: 60Hz-15KHz Output power: 10~20W Signal-to-noise ratio: 60dB Playing 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 Notes: Due to different displays and lighting effects, the actual color of the product may be slightly different from the color shown on the picture. Thanks Due to manual measurement, please allow slight measurement deviation.