On-ear, double-sided Bluetooth headset with USB-C dongle, UC optimized, and Microsoft Teams certified. If work means calls via multiple devices, choose a wireless headset that fits with your dynamic working style in the hybrid workplace. The boom arm gets you closer to the conversation and folds easily into the headband for a clean, modern look. Focus while listening to stereo sound music and improve your productivity at work with a headset built for all-day comfort.We are rebranding from EPOS | SENNHEISER to EPOS branding on our products. During the transition period the same product may exist in both versions. More from the ManufacturerGeneral Information Manufacturer: EPOS Manufacturer Part Number: 1000897 Brand Name: EPOS Product Line: ADAPT Product Series: 200 Product Name: ADAPT 261 Product Type: Headset Technical Information Connectivity Technology: Wireless Wireless Technology: Bluetooth Wireless Operating Distance: 82 ft Sound Mode: Stereo Features: Comfortable, Flexible, Unified Communication, ActiveGard, Acoustic Shock Protection, Microsoft Teams Button, Rechargeable Battery, Fold-flat, Adjustable Headband, Flexible Headband, Ambient Noise, Lightweight Battery Information Battery Chemistry: Lithium Polymer (Li-Polymer) Earpiece Earpiece Design: On-ear Earpiece Type: Binaural Microphone Microphone Technology: Noise Cancelling Microphone Design: Boom Interfaces/Ports Host Interface: USB Type C Physical Characteristics Color Family: Black Color: Black Ear Cushion Material: Leatherette Height: 2.3" Width: 6.5" Weight (Approximate): 4 oz Miscellaneous Package Contents: BTD 800 USB-C dongle USB cable USB-C connector Pouch bag Compliance sheet Quick guide Safety guide Compatibility: PC Softphone Mobile Phone Tablet Microsoft Teams and UC Country of Origin: China Warranty Limited Warranty: 2 Year