About this item【Superior Sound Quality】Karaoke machine with Bluetooth and wireless microphone for adults has a built-in 10W speaker designed to produce high-performance optimized sound. The sound is more precise and the volume is more moderate. Lightweight and compact build with a 5-8 hours rechargeable battery make it easy to bring the party with you wherever you go.【Long Playback Time】Mini karaoke machine is built with the latest Bluetooth 5.0 chip for wireless streaming, which ensures instant pairing and provides a more stable transmission and longer distance up to 32ft (without obstacles). This portable karaoke machine also supports Micro TF card, Flash USB, and AUX-in connectivity, making it compatible with a range of devices like mobile phones, iPads, tablets, and PCs. It's perfect for small parties, schools, churches and gyms.【Connect & Compatible】With two kids microphones and 4 kinds of magic voice effects, including original,KTV,monster and baby voice,this Bluetooth karaoke machine is perfect for duets and dance-offs. Its advanced active noise reduction technology and professional DSP audio processor ensure that every word you sing will sound perfect.(Echo effect: short press EFF the button of the microphone twice to switch KTV mode.)