Amazon.com: UpBright New 5V AC/DC Adapter Compatible with Sennheiser RS 160 R5-160 Over The Head Wireless Headphones RS160 R5160 Class II 2 5VDC Power Supply Cord Cable PS Wall Home Battery Charger
Sennheiser HDR 160 Headband Wireless Headphones Black 504250 – NT Electronics LLC
Genuine Replacement SENNHEISER Headband Pad cushions for HDR 160 RS 160 Headphones - Audio Equip