Rechargeable Speaker with Wireless UHF Headset Microphone, WASP200U

100 watts peak power 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, TF card, FM, 1/8" AUX, Mic Input (1/8”) Headset Microphone(Included) uses 1/8" input 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/ TF into Wav files USB flash/TF Card drive input accepts drives up to a maximum of 128GB and will playback .mp3 and wav files