Powerful welding sound quality, exceptional deep bass Automatic Bluetooth search, receiving distance of 10M and below Supports MP3, WMA music file formats Supports TF card, Bluetooth with calling function, and file playback Supports external audio input functions for MP3/MP4/computers, etc. (AUX) Stereophonic sound, booming bass Stylish cloth mesh design with large buttons, equipped with RGB intelligent voice control, and multiple lighting mode choices Bluetooth 5.1 speaker for saturated sound quality Configured with high-end mid-low frequency settings for a true shocking wave New environmentally friendly waterproof cloth mesh craftsmanship, IPX6 waterproof rating Innovative square drum design Comes with a shoulder strap for convenient portability Supports 1+1 pairing, with matching wireless microphone Supports EQ modes with three sound effects to choose from, with LED smart color Specifications: Output low-frequency horn: 4Ω 50W * 1 High-frequency horn: 4Ω 15W * 2 Input sensitivity: 400mV Separation: ≥90dB Signal-to-noise ratio: ≥80dB Operating voltage: DC 7.4V Battery: 18650 12000mAh Battery working time: 6-8H Total power: 80W Size of low-frequency horn: 119mm Size of high-frequency horn: 78mm * 2 Diaphragm size: 123 * 113mm * 2 Bluetooth version: 5.1 Bluetooth solution: Jieli Main control: AC6921A Machine size: 380 * 146 * 162mm Weight: 3000g