Sennheiser HDR 175 Headset for RS 175 System 505582 B&H Photo
Sennheiser RS 175 wireless TV headphones with transmitter | Crutchfield - YouTube
US$280 Sennheiser RS 175 RF Wireless Headphone is a true Wireless Headphone System | Lindsworth Deer's MICO Wars: The Teacher Force Awakens
RS 175, problem charging up. I dunno why but recently notice that my Sennheiser died faster than usual (less than 2hs) and I noticed this, does anybody's know why it's failing? :