#1	NOT Work with Smartphone and ComputerSee Compatible Phone List in Description ONLY BUY the item if you have one of phone models in the list Direct connect landline telephone headsets Compatible with Some Specific Phone Models from ShoreTel Zultys Toshiba
#2	Comfortable Wearing Monaural RJ9 deskphone headset with soft leatherette ear cushions guarantees a perfect fit Lightweight office telephone headset equipped with adjustable headband for allday wearing comfort
#3	Clear Calls Handsfree RJ9 Office phone headset with Noisecanceling microphone to reduce background noise Wideband audio delivers clearer conversations while Acoustic Shock Protection Circuit protects from listening fatigue and loss
#4	Extremely DurabilityErgonomically designed call center phone headset made with high impact plastic to continuous use and equipped with flexible microphone boom ensure more guaranteed life span Volume control and mute button builtin
#5	ONLY COMPATIBLE WITH SOME SPECIFIC PHONE MODELS LISTED IN DESCRIPTION Buy the item today if you have one of phone models in list For other phones please contact us for Compatibility Guide