100W Portable Professional Karaoke Dual Microphone Bluetooth-compatible Speaker Wireless Stereo Bass Subwoofer Karaoke Family Party Support AUX Bluetooth-compatible 5.0 Large diameter woofer Built-in sound card function DSP independent chip Wireless karaoke microphone A variety of karaoke sound effects Four-unit sound AUX connection playback High power audio Feature: 1. 100W high-power sound, comparable to a small concert. Even in a noisy outdoor environment, the sound pressure is the best. High power and high volume, no sound and no distortion 3. Fine craft speaker unit, super bass surround sound. Professional crossover audio has a wider sound range, and the high-middle bass unit can independently exert its upper limit. 4. Shock the bass and bring the KTV home. Double wireless chorus, hold your own concert at home, enjoy the comfort brought by good sound quality, and carefully create a shocking hearing for audio lovers to experience the sound 4. A microphone equals a home casino. Wirelessly connect to mobile phones or smart TVs, and multiple homes become KTVs in seconds, the love of family and children. Family singing, live K-song, outdoor party 5. Professional tuning master, independent adjustment of personalized sound effects. Support reverb and treble/bass 7dB loudness adjustment, 32-level microphone and instrument volume adjustment 6, Endless fun, five voice-changing modes. Professional audio tuning, just to give you a comfortable experience. Interesting change of voice, press the EFF key to switch the sound effect to make the K song more interesting. EFF key five kinds of voice change Specification: Color: white, black, red, Gold (optional) Bluetooth-compatible version: 5.0 Transmission distance: 210M Frequency range: 20HZ-20KHZ Power supply voltage: 5V Playing time: about 5 hours Power supply method: built-in lithium battery Battery capacity: 3000MA Charging time: about 1.5 hours Size: 150x150mm/5.91x5.91'' Weight: 1000g