GEQUDIO Headset for GX3+ GX5+ and compatible with Mitel, Aastra, GEQUDIO, Poly/Polycom and Gigaset-RJ phone - Includes RJ cable - Headphones and microphone with replacement padding - Lightweight 80g (2-ear) : Amazon.se:
HEADSET passar till SIEMENS Gigaset SL3, Gigaset SL3 Professional : Amazon.se: Elektronik
2.5mm Telephone Headset with Microphone Noise Cancelling, Cordless Phone Headset Work for Panasonic Gigaset C530A Grandstream Cisco SPA Polycom Home Office Landline Phones, Clear Chat, Ultra Comfort : Amazon.co.uk: Electronics & Photo
Jabra 3.5MM Cord to Qd headset Adapter Cord for Speak 410 Siemens Gigaset | eBay