SU YOSD - Portable Karaoke Speaker & 2 Wireless Microphones Red/Black YS-203 · Excellent Karaoke Sound - This karaoke machine is equipped with subwoofer for full range stereo sound reproduction and amplifying your voice, which makes the bass stronger and more balanced, plus it does not distort the audio even at higher volumes. · Features Galore - The karaoke machine is built-in Bluetooth 5.0 and provides up to 50ft longer distance. This karaoke speaker supports wireless input, USB drive, MicroSD (TF) and AUX-in connectivity. Compatible with the android mobile phone, TV, iPad, tablet, and PC.