Jabra Evolve2 65 UC Stereo USB-A Black Headset Bluetooth Wireless Dual-Ear Model: HSC110W Connects via either USB-A adapter or Bluetooth. Excellent noise isolation design effectively blocks surrounding noise. The busy light automatically turns on when calls or meetings begin, preventing interruptions during conversations and allowing you to concentrate on your work. Equipped with powerful 40mm speakers, you can also enjoy music with excellent sound quality.