Wireless connectivity support usb/tf card aux function rechargeable battery karaoke function wireless stereo twin speaker
output power: 20wx2 mic input with karaoke function remote control aux 3.5 mm input wired microphone
power supply: dc in 5v with led display sealed woody speaker box stylish panel with main volume adjusting
high capacity lithium battery play time: up to 5-6hours at 75% volume
wireless transmission range: up to 10 meter.
charging time: 2-3 hours.
speaker unit: 8×2 inches
power supply: li battery support bt/fm/usb/tf/mic/aux radio when you have two devices,need to long press “m” to bulid the connection both. fm radio, search and record the fm frequency automatically.