Amazon.com: Belt Clip Holster for Gigaset GS100 GS110 GS270 GS280 GS290 GS370, Vernee X / X2 / Apollo Lite / M6 Universal Canvas Phone Holder Pouch Case with Belt Clip Loops :
Gigaset L410 Black Hands-free Clip for Cordless Phones DECT/GAP Compatible | eBay