Sennheiser headphones, microphones and all-round audio solutions, reliable service, and committed staff have always stand for premium products, the ultimate in sound quality and undistorted listening enjoyment. From bluetooth, wireless, USB, and wired headsets to headset accessories, Global Teck has them all and more. Not finding what you are looking for? We may still have it in our warehouse, so feel free to call us at 866-766-6167 (toll free) or 703-766-6363 (local).