Dual wireless microphones and charging station The karaoke device includes two wireless microphones. The karaoke machine also serves as a microphone charging station, allowing both mics to be charged at the same time. The speaker and microphone automatically connect when powered on. The microphones feature a voice changing function. Long battery life and convenient charging The karaoke speaker system uses a efficiency rechargeable battery. Each microphone has its own rechargeable battery and can play for 4–5 hours after a full charge. Use the included charger to easily recharge the machine. Wide compatibility and multiple connection modes The portable speaker supports Bluetooth audio playback, as well as wired connections through USB, AUX, or TF card. This provides multiple connection options to suit different setups and devices. Key attributes Function: two wireless microphones, microphone charging station, automatic pairing, and voice changing function. Compatibility: Bluetooth, USB, AUX, TF card. Portability: described as a portable speaker for easy transport and setup. Performance: long battery life with 4–5 hours per microphone, quick charging via the included charger, and automatic mictospeaker connection. Use scenarios Family karaoke night at home: pair the mics with the speaker for a simple, cable singalong experience with automatic repairing on powerup. Classroom or small group activity: use the two mics for student presentations, interactive lessons, or open mic sessions with easy charging and stable wireless connection. Outdoor gathering or party: portable setup with Bluetooth or TF/USB/AUX options allows flexible music playback and karaoke fun in a compact, easytouse system.