COOSII H300 Wireless Headphones Bluetooth with Microphone, Over Ear Headsets with Environmental Noise Cancelling Retractable Mic, USB Dongle & Mute for Office Laptop Computer Chromebook Smartphone

Key features

• Crystal Clear Meetings: Innovative microphone ambient noise cancellation technology, 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 microphone to pick up only your voice and ensures high quality audio is delivered.
• Comfort and Adjustable: 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.
• Retractable Microphone: The flexible microphone allows for perfect alignment to your mouth and can also retract inside the headset, out of sight, when not needed. To ensure durability, microphone adjustment and retraction have been cycle tested up to 3000 times.
• Clever and Convenient Mute Function: Simply tap the M button once to Mute.
• Use as a Set or Independently: You can use the headphones 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.