Callez C300E1 3.5mm Cell Phone Headset Mono, Truck Driver Headsets with Noise Canceling Mic, Compatible with iPhone Samsung Huawei HTC LG ZTE BlackBerry Mobile Phone Smartphones iPad iPod Skype PC Clear Calls: Office 3.5mm cell phone headset with Noise-canceling microphone filters out nearly 95% of background noise. Wideband audio delivers clearer conversations, while Acoustic Shock Protection Circuit protects from listening fatigue and loss. Comfortable Wearing: Monaural cell phone Truck Driver headset with soft leatherette ear cushions guarantees a perfect fit. Lightweight office telephone Skype headset equipped with adjustable headband for all-day wearing comfort. Extremely Durability: Ergonomically designed call center headset made with high impact plastic to continuous use, and equipped with flexible microphone boom ensure more guaranteed life span. Callez Mobile phone Trucker headset comes with 3.5mm universal headset adapter, compatible with most smart phones 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. (NOT 2.5mm adapter) Wired cell phone headsets with volume control and on& off answer button. ONLY fits for most smart phones and iPad MacBook PC with single 3.5mm Headset Port.