OVERVIEW: Get just what you need to hear and be heard clearly. H111 features a standard 3.5mm audio jack, it’s compatible with most operating systems and platforms. AN AFFORDABLE HEADSET FOR ALL YOUR DEVICES The simple way to start talking when using computers, smartphones and tablets. Features a standard 3.5mm audio jack and is compatible with most operating systems and platforms. Get just what you need to hear and be heard clearly. H111 MULTI-DEVICE HEADSET The perfect business headset for...