COOSII Wireless Headphones with Microphone, 40H Playtime Bluetooth Over Ear Headset with Retractable Mic, USB Dongle for Gaming, Office, Smartphones, Computer

A Perfect Fit: 4 inch over-the-ear earmuff made of soft memory foam covered in durable protein leather gives you all day comfort. Adjustable thick headband and flexible earmuffs can easily fit any head shape without putting pressure on the ear. Foldable and weighing only 8 oz, this design is ideal for daily travel, work, and home use.
Retractable Boom Microphone: The boom Noise Cancelling microphone can be retracted out of sight when not in use, maintaining convenience and aesthetics. Extend and position the 360°soft rotatable boom close to your mouth and ensure crystal clear voice quality for all of your personal & professional calls. Boom microphone also functions when retracted.
Seamless Wireless Connection: Updated Bluetooth 5.0 ensures an ultra-fast and extremely stable connection up to 33 feet. A Rechargeable 500mAh battery provides 40 hours of playtime. Wired mode allows for continuous audio only functionality in the event of a depleted battery.
Hands Free Calls and Easy Control: Easily control volume, mute, manage calls and music directly from the ear cup.
Total Compatibility: Adopting Bluetooth 5.0 Technology, these wireless headphones are compatible with almost all electronic Bluetooth devices. Additionally, the included USB dongle can be connected for full functionality without a Bluetooth connection. Headphones are designed to connect to a single device (e. g., computer or smartphone) at a time.