Wide compatibility, plug-and-play: Karaoke machine with 2 wireless microphones, compatible with Bluetooth, USB, SD card, phones, tablets, and computers. 10-hour battery life: 1500mAh battery provides 8-10 hours of playtime after a 2-3 hour charge, stable connection up to 10 meters, sound coverage up to 200 square meters. 6 types of magical sounds: DSP-enhanced chip for clear sound and no delay, switchable between original sound, female sound, and male sound. Colorful ambient lighting: Neon lights and gradient lights in seven colors, perfect for parties, gatherings, camping, and various occasions. Small and lightweight size: Portable mini karaoke machine with 2 microphones and USB cable, ideal for travel and as a gift for friends and family.