SteelSeries Siberia 840 Wireless Bluetooth Gaming Headset with Dolby 7.1 Surround Sound for PC / Mac PS3 / 4 Xbox 360 Apple TV / Roku and Mobile Devices - Newegg.com
Amazon.com: Geekria Earpad + Headband Compatible with SteelSeries Siberia 800 840 Headphone Replacement Ear Pad + Headband Pad/Ear Cushion + Headband Cushion Repair Parts Suit (Black) : Electronics