Sennheiser RS 175 RF Wireless Headphone System for TV Listening with Bass Boost and Surround Sound
RS 175
Amazon.com: Sennheiser Consumer Audio RS 175 RF Wireless Headphone System for TV Listening with Bass Boost and Surround Sound Modes,Black : Electronics
AC Adapter for Sennheiser RS 175 RS175 TR175 TR 175 Digital Wireless Headphone | eBay
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? :