Logitech H111 Strereo Headset (Single 3.5mm Jack) Get just what you need to hear and be heard clearly. H111 features a standard 0.13 in (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 voice calls, Skype®, webinars and more. The 7.71 ft (235 cm) cable is just the right length to give you the freedom to stand up and stretch during long conversations. - STEREO SOUND - ROTATING MICROPHONE - ADJUSTABLE HEADBAND - 3.5MM AUDIO JACK CONNECTION Dimensions Height_ 6.38 in (162 mm) Width_ 5.67 in (144 mm) Depth_ 1.81 in (46 mm) Weight_ 2.61 oz (74 g) Cable length_ 7.71 ft (2.35 m) Technical Specifications Microphone Type_ Unidirectional Sensitivity (headphone): 32 Ohms Sensitivity (headphone): 100 dB +/-3 dB Sensitivity (microphone): -58 dBV/µBar, -38 dBV/Pa +/- 4 dB Frequency response (Headset): 20 Hz - 20 kHz Frequency response (Microphone): 100 Hz - 16 KHz Warranty Information 2-Year Limited Hardware Warranty