QFX 100W Peak PORTABLE PA SYSTEM WITH MICROPHONE-USB-SD-FM RADIO RECHARGEABLE BATTERY & USB SD MP3 Player Portable QFX PA system with many features built-in loud speaker volume control power indicator, USB and micro SD input. It will play MP3 files like music or books downloaded to a USB flash drive or micro SD memory card.This item will make your teaching lessons easier and everyone will hear you louder and clear. It can be worn on your belt,waist or shoulder. Contents: PA Speaker System, Microphone, Power adapter,belt clip, Rechargeable BatteryFeatures:PortableRechargeableHands-Free MicrophoneUSB SD port light Weight100w peak PowerMode ButtonColor: Black