Check the listing for details. TPro Rechargeable Speaker w/ Wired Lapel Mic, USB/SD, FM, 1/8" AUX & Mic Inputs. Color: Black, Condition: New. Listed at 39.99 USD. Technical Pro Technical Pro Rechargeable Speaker with Wired Lapel Mic, Music Mode, USB, SD card, FM, 1/8" AUX, Mic Inputs, Clip On your shirt, Shoulder Strap Built-in battery offers 5 hours of continual music playing or 7 hours with live microphone playback great for teacher, tour guides or outdoor & mobile PA events Woofer: 3" woofer Inputs: USB, SD card, FM, 1/8" AUX, Mic Input (1/8”) Lapel Microphone(Included) uses 1/8" input Clip On your shirt or Jacket Volume & Playback Controls Rechargeable Battery and back up 4x AA Batteries Rechargeable thru Micro USB Cable (Included with AC Wall adapter) LED Display readout shows battery, playback time Shoulder Strap Retractable Antenna for better reception Freq. 80Hz~12KHz Built in Recording with integrated Microphone and wired mic only onto USB/ SD into Wav files USB flash/SD Card drive input accepts drives up to a maximum of 128GB and will playback .mp3 and wav files 1.75 L x 3.5" W x 5.1" H