Plantronics M40 Headset E1 BLACK (IL/RT5-64611-11-NIB) New In Box | eBay
Amazon.com: Plantronics by Poly Voyager 5200 Wireless Headset - Single-Ear Bluetooth Headset w/Noise-Canceling Mic - Ergonomic Design - Voice Controls - Lightweight - Connect to Mobile/Tablet via Bluetooth : Electronics