SD card reader, USB stick and IR remote control:Yes
2 handheld microphones UHF:AA 1.5V LR06 x2 batteries
Bluetooth receiver Yes , LF: 15″ HF 1″
Power RMS 250W Power MAX 500W
Frequency Range 50Hz – 18KHz
SPL Max 124dB
Power supply Integrated battery, or external battery (12V)
2 wired microphone inputs 6.35mm Jack Volume – Echo effects
+/- 12dB microphones bass treble microphones +/- 12dB
Voice priority function
Dimensions 470x390x640mm
Weight 14.95 kg
Power Sypply 230v AC 50 / 60Hz
Autonomy 6-8 hours
Wireless microphone frequency 863.2 and 864.8 MHz