Machine size: 283 * 228 * 270mm Color box size: 290 * 273 * 355mm Including color box weight: 5000g Bare metal weight: 4000g PCS / box: 6pcs N. W / net weight: 30kg G. W / gross weight: 31kg Outer box size: 83.7 * 59.5 * 37.3cm output horn: 4 60W * 1 4 10W * 2 battery: 18650:12500mah battery working time: 8h 1. Strong welding sound quality effect, super bass 2. Automatic search for Bluetooth, reception distance of 10m and below 3. Support mp3 and wma format music files 4. Support TF card, Bluetooth band call and file playback 5. Support external MP3 / MP4 / computer and other audio input functions (aux) 7. Stereo sound quality and surging bass 8 with mobile power function 9 Bluetooth speaker 5.0 sound quality saturation 13 support 1 + 1 paired wireless v-segment microphone * 2 dual microphone reverberation 13 support EQ mode, three kinds of sound effects, free choice, 9 kinds of effects with LED intelligent dazzling color 14 support strap + portable, easy to carry, with speaker support function, removable and replaceable support