①. Product Description: Karaoke Wireless Bluetooth Speaker Subwoofer Home KTV Single Microphone Sound Noise Vertical Speaker ②. Usage: Can listen to singing, follow your heart K song; Small body, can listen to singing, create a smart and interesting life, create a KTV stereo sound effect. ③. Intelligent noise reduction, listening to the endless charm of music; Using intelligent noise reduction technology, according to the ambient noise level, intelligently filtering noise, so that the music is clearly structured, hear more sound details. ④. Long-lasting endurance, enjoy music continuous electricity; Built-in 1800 mAh battery, fast charging, working up to 12 hours. ⑤. Bluetooth 5.3 chip, smoothly without delay; Bluetooth technology upgrade, faster transmission speed, lower power consumption, enjoy wireless connection. ⑥. Tandem invitations, enjoy the pleasure of duet singing; Comfortable karaoke experience, rich voice layers, the first choice for parties. ⑦. CE marking is a declaration by the manufacturer of the product that the product meets the requirements of the European Commission directives applicable to it.