Epos I SENNHEISER C20 Bluetooth Headset with Microphone Wireless Headphones with up to 27 hours Battery Life and EPOS BrainAdapt Technology : Amazon.co.uk: Computers & Accessories
EPOS | SENNHEISER ADAPT 560 UC MS Bluetooth Headset - Including Dongle | 1000207 | £180.00 | Best4Headsets
EPOS | SENNHEISER IMPACT DW 20 USB ML Wireless DECT Headset | 1000545 | £187.20