Features:

• Internal microphone
  
• LED for internal microphone: omnidirectional or directional
  
• Left/right balance control
  
• Battery status LED
  
• LED for listening via transmitter
  
• Button for selecting internal microphone
  
• On/Off button
  
• Button for selecting listening via transmitter
  
• Volume and Tone LED indicator
  
• Sound control button
  
• Treble control button
  
• Stereo/Mono control
  
• Bass control
  
• 3.5mm headphone output jack
  
• Charging socket
  
• Clip
  
• Built-in rechargeable batteries
  
• Dimensions: 1.9" W x 3.9" H x 0.9" D
  
• Compliance: CE FCC RoHS WEEE