Best Buy: Sennheiser HDR 170 (Additional KLEER Wireless Headphones- Requires the RS170) Black HDR170
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Sennheiser RS 170 Digital Wireless Headphones (Discontinued By Manufacturer) : Electronics - Amazon.com
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Amazon.com: Geekria QuickFit Leatherette Ear Pads for Sennheiser RS160, HDR160, RS170, HDR170, RS180, RS185 RS195 Headphones Ear Cushions, Headset Earpads, Ear Cups Cover Repair Parts (No Baseplates) : Electronics