AceFast Portable Speaker K1 Party (2 x microphones)

Bluetooth version: v5.0. Transmission distance: 10m. Frequency response: 40Hz-20000Hz. Battery capacity: 18000mAh. Input: DC5V / 3A (USB-C). Charging time: 4-5 hours. Working time: 8 hours. Speaker sizes: 396*131*174mm. Weight: 3.274kg. Speaker unit: 4 speaker units [78mm*2 + 57mm*2] + 2 passive diaphragms. Speaker power: 200W. Feature 1: With 2 wireless microphones. Feature 2: Sound coverage of 800 square meters. Feature 3: Supports Bluetooth, AUX, USB flash drive, TF card and other playback modes. Feature 4: TWS interconnection for 360° surround stereo sound effect, creating a home theater-level KTV. Feature 5: DSP Processor – Digital Signal Processing technology – rich sound with heavy bass. Feature 6: Dual-mode dual-chip control, dual-channel simultaneous output of Bluetooth music and microphone sound. Feature 7: Built-in smart sound chip and independent sound card, you can eliminate the original singing with one key and become a singer in seconds. Feature 8: Support live broadcast and internal recording, singing / broadcast / recording / listening – all in one speaker.