Wireless mic for Amplifier

BKK Wireless Mic for Teaching (wireless mic with speaker), Portable Rechargeable Mini Voice Amplifier with Wired Microphone Headset and Waistband, Supports FM Radio ,SD Card ,USB input for Singing, Training, Speech ,Tour Guide ,Power Amplifiers

Voice Amplifier for teachers wireless mic with speaker Rechargeable Multimedia Karaoke Speaker/Voice Amplifier.

Best for Teacher Wired Microphone Loudspeaker with FM Radio TF Micro SD Card USB Input Earphone Jack Voice Recording

• Brand BKK
  Item Dimensions LxWxH 9.5 x 4 x 12.5 Centimeters
  Connectivity Technology USB
  Colour Red
  Compatible Devices Laptop, Headset
  About this item
  The portable voice amplifier comes with a wired headset microphone
  Only based on inserting a TF card/ USB disk and with a plug-in Mic, it can use as a recording device
  Original Sound,belong your own voice,in combination with precision audio algorithm, using the high
  Suitable for teaching, tour guide, training, shopping guide, etc. ; Output power: 5W
  FM Radio, TF card slot, USB & MIC interface , Main features: Amplify, TF card playback, FM radio
  Power supply: Built-in 2200mAh li-ion battery
  Product Size : 12.5 x 9.5 x 4.5 or 4.7 x 3.5 x 1.5 Inch

5W Bluetooth Voice Amplifier Microphone with Wired Headset, Portable Bluetooth Speaker with Belt for Teacher, Tour Guide, Speech, USB 2200mAh Voice Amplifier Support U Disk, TF Card