Speaker Size: 8-inch woofer.
Microphones: Includes one wireless microphone and one wired microphone.
Battery: Rechargeable Li-battery (typically 1800mAh–3000mAh).
Playback Time: Reported up to 8 hours.
Connectivity: Bluetooth, USB, TF Card, AUX, and FM Radio.
Functionality: Karaoke, light show, and microphone/guitar input