Voistek Wired Cell Phone Headset with Noise Canceling Boom Mic Adjustable Headband for iPhone Samsung LG HTC Blackberry Huawei ZTE Mobile Phone Most Smartphones with 3.5mm Jack (Binaural H20J35) Comes with 3.5mm Universal headset adapter, compatible with most smartphones with 3.5mm headset jack. Plug this cell phone headset into your phone and in case it doesn't work properly, plug it into the adapter and then into your phone. Adjustable headband with flexible boom Mic, a simple hands free headset solution for your mobile phone communication needs, which allows you to talk on your cell phone and keep both your hands free Superior sound quality, lightweight, durable and comfortable for all day use. In line volume control and MF button, shirt clip including. Noise canceling microphone to reduce background noise and Acoustic Shock Protection circuit to protect your hearing. For more headsets for landline telephones, pls kindly search VOISTEK TELEPHONE HEADSET on Amazon.