COOSII H300 Wireless Headphones Bluetooth with Microphone, Over Ear Headsets with USB Dongle & Mute, Environmental Noise Cancelling Retractable Mic for Work Office Meeting Laptop Computer (Black)

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

Comfort and Adjustable: The wireless headphones with mic 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 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 wireless headphones 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 ）

Retractable Microphone & Long Battery Life: The flexible, cycle-tested microphone (3,000 retractions) aligns perfectly with your mouth and retracts discreetly when not in use. Enjoy up to 60 hours of music playback or 30 hours of call time on a single full charge.（Power consumption varies in different scenarios）

Clever and Convenient Mute Function: Simply tap the M button once to Mute.Use as a Set or Independently: You can use the over ear headphones wireless work with your Bluetooth-enabled mobile device (eg: smartphones), or use the USB dongle to Bluetooth-enable your audio devices such as computer, laptop to enjoy streaming. To prevent audio interference between different devices, these headphones are designed to connect to a single device (e.g., computer or smartphone) at a time