The 2.4GHz wireless Unisar DH900 TV amplifier listening system with under-the-chin stethoset-style headset receiver is designed to wirelessly enhance sound from your TV and other audio sources. The TV amplifier's headset receiver features a mute button that turns off sound from the DH900 transmitter and turns on the built-in microphone for amplifying conversations around you.

Features:

• 2.4GHz wireless RF (radio frequency) digital technology (mono or stereo)
  
• Headset mute button turns off sound from transmitter and turns on built-in mic for amplifying conversations around you
  
• External microphone for listening to someone talking without having to remove the headset receiver
  
• Volume control
  
• 4 tone settings
  
• Balance control
  
• Compartment for charging extra battery

Includes:

• DH900 TV amplifier receiver and transmitter base
  
• 2 rechargeable batteries
  
• 2 earbuds
  
• External microphone
  
• Connection cables

How DH900 Works:

[Click for user manual]"