KENSINGTON H3000 Bluetooth Headset 80004518 K83452WW Product Description: Kensington H3000 - headset Product Type: Headset - Bluetooth - wireless Compatibility: iPhone, iPod, Android phone, Chrome OS, Mac, Windows, Android tablet Recommended Use: Conference Headphones Form Factor: Full size Connectivity Technology: Wireless Wireless Technology: Bluetooth Headphones Technology: Dynamic Bluetooth Version: Bluetooth 5.2 Sound Output Mode: Stereo Audio Specifications: Frequency Response 20 - 20000 Hz - Sensitivity 110 dB Impedance: 32 Ohm Max Input Power: 30 mW Microphone: Boom Microphone Noise Cancelling: Yes Controls: Volume, power on/off, answer/end, play/pause, voice assistant, busylight, Bluetooth, sidetone Intelligent Assistant: Siri, Google Assistant Manufacturer Warranty: 2-year warranty