MP3 Usb Player Recorder • Built-in 30W amplifier • Built-in 6 ½” Full-range speaker MIC IN / AUX IN with dedicated volume control AUX OUT to connect to PA system or input of AV system Loudspeaker Output for Focus extension speaker Charging / battery status indicators Tone control Tripod mountable (ST-40) Dual power supply AC or DC operation Everything works fine except the battery, probably because it hasn't been used for a long time and it's discharged. It needs to be replaced.
eBay