[PATENTED 2-IN-1 CONTROL] : You can connect the headset to PC with USB plug, or you can detach the 3.5mm audio cable to connect with tablets, cellphones, and more devices. Easily regulate the volume and mute from the control panel. Tips: Please choose USB connection if you want to enable the volume and MIC control. | [ALL-DAY COMFORT] : Business headset features soft memory-protein earpads, adjustable headband, 90°rotatable earcups which maximize the wearing comfort. Weighs only 4.8oz( 137g), USB headset will be a great option for agents, civil servants, traders and financial advisers who make their living over the phone by listening and talking to customers. | [OUTSTANDING AUDIO] : USB headset is engineered with noise reduction sound card to reduce static noise and echo, bring you optimized sound for calls. 270°flexible rotation boom MIC brings optimum voice capture. Wear it on your right or left side, it’s up to you. | [SIMPLE AUDIO CONTROLS] : Plug and Play, No drivers needed for PC, Computer, Laptop, Mac, Convenient in-line Controls, easy to adjust this computer headset volume up/down, mute/un-mute the microphone or speaker. | [MULTI-DEVICE HEADSET] : USB/3.5mm headset is compatible with Windows 2000/7/8/10/XP/Vista, Mac OS X, iOS, Android, Tablet PC. A perfect choice for Dragon speak, Rosetta Stone program, Online courses, Skype chat, call center, conference calls, webinar presentations and more. | Tips : Please adjust the volume on your PC/cellphone when you still can't hear clearly even you've reached the highest volume on the headset.