COOSII H300 Wireless Headphones with Microphone, Over Ear Bluetooth Headsets with USB Dongle & Mute, Environmental Noise Cancelling Retractable Mic for Work Office Call Center Laptop Computer (Black) — Open-Box, 44% Off

After Sale Promise : Package includes a Foldable Headphone, USB Dongle,USB charging cable, AUX cable, Gift grade PU Storage box and User Manual. Provide a 30-day return and 12-month warranty, lifetime worry free user support. Quickly respond customer service within 12-24 hours, for any questions while using

Dual Modes, Flexible Connectivity & One-Tap Mute: The wireless headphones with mic offer two connection methods: Bluetooth and USB dongle. Connect easily to laptops, phones, or use the included USB adapter for desktops without Bluetooth. Switch seamlessly between phone and computer by tapping the “M” button for 3 seconds (left earcup) during meetings (one device at a time). One-Tap "M" Button - Never Be Interrupted: Tap the large M button to instantly mute your mic during meetings

Retractable Mic & Long Battery Life: The flexible, cycle-tested microphone (3,000 retractions) of the H300 wireless headset with mic for work aligns perfectly with your mouth and retracts discreetly when not in use. Powered by an upgraded 1,000mAh battery, this work headset with mic lets you enjoy up to 72 hours of music or 45 hours of call time on a single charge. Enough for a full week, keeping you connected through long meetings, office shifts, or trips without battery anxiety.（Power consumption varies）

Comfort and Adjustable: the bluetooth headset for work only weights 8 oz, durable folding and lightweight design for optimized portability. Adjustable headband with thick, comfortable padding. Ergonomically designed over-the-ear memory foam pads ofr the wireless headphones with microphone are made of durable yet soft, skin-friendly, protein leather (4 inch diameter) all for all-day comfort wearing and use

Crystal Clear Meetings: Innovative microphone ambient noise cancellation technology of this office headset with mic for work,allows you to have clear and uninterrupted calls even in noisy environments, all without compromising the quality of your voice. Both the mechanical and electronic design allows the wireless headphones microphone to pick up only your voice and ensures high quality audio is delivered.(please note: this wireless headphones features physical passive noise Blocking,No AI ）