4099 CORE+ Mic for Loud SPL with Violin Clip

Koss | Headphones | CS100 | Wired | On-Ear | Microphone | Black/Gold

They set out to create instant quiet, anywhere. The result is a world-class professional headset with cutting-edge digital hybrid Active Noise Cancellation(ANC), powered by the most advanced digital chipset ever, and designed for incredible noise isolation; just put it on for instant immersion in your thoughts. It's time to change the game. Welcome to the new standard.
They've taken busylight to a whole new level, making it visible from any direction. The red light is automatically activated when you're on a call or in a meeting, or you can activate it yourself at the touch of a button. So, even when you're right in the middle of everything, your busylight will protect you from all angles, and all interruptions. It's like having a built-in security guard for your concentration.
The

Koss Headphones KSC21k Wired, In-ear, 3.5 mm, Black

Apple | AirPods Max | Bluetooth | Over-ear | Noise canceling | Wireless | Blue

Sony IER‑EX15C USB‑C Wired Earbuds with Mic, White | Sony

ZONE VIBE 100 | Type Wireless | Head-Band | 1xUSB-C | Bluetooth | Sensitivity 118 dB(a) | Cord length 1 m | Battery Lithium-Ion rechargeable | Colour White | Weight 0.185 kg