Headsets for Snom IP Phones: Snom compatible headsets – Headsets4business
Sennheiser SD Pro 1 ML (1000562) - Single-Sided, Multi Connectivity Wireless DECT Headset for Desk Phone & Certified for Skype for Business, Ultra Noise-Cancelling Microphone (Black) VoIP - Newegg.com
Sennheiser SH 350 Binaural Over the Head Telephone Headset with Noise
Amazon.com : Sennheiser D 10 USB ML - US (506418) Single-Sided Wireless DECT Headset, with Direct Softphone Connection, Noise Cancelling Microphone, and is Skype for Business Certified (Black) : Office Products