Sony Ericsson T306 Holsters and Belt Clips. Keep your within easy reach with the right Sony Ericsson T306 holster or Belt Clip. Holsters and Belt Clips provide protection and convenience. Choose from Sony Ericsson T306 plastic holsters, leather holsters, industrial strength holsters, neoprene sports holsters, and more. All Holsters and belt clips are brand new, and guaranteed authentic.