Ideal for use with the television and radio, the Geemarc CL7400 Wireless TV Listener comes with large comfortable, lightweight, folding headphones and is ideal for those who find it hard to hear the television due to hearing loss.It has a 35m indoor range from the transmitter, that plugs directly into the television or radio, and also acts as a charging base for the headphones.It has a receiving amplification of up to 125dB, adjustable tone and treble, as well as left or right side balance control.The headphones have soft silicone ear pieces fit for long periods of listening. Full charging time for the headphones is 6 hours, which then provides 8 hours of continuous usage time.