Orders placed after 4pm on weekdays will not ship until the next business day. Orders placed after 12pm Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
The PC-121 In-Ear Monaural Headset from Sennheiser is a monaural headset designed for use with a computer. The headset features a single earpiece and an integrated omnidirectional microphone. It connects to your computer via the standard 1/8" headphone and microphone connections on the sound card. The headset is an excellent choice for anyone who wishes to participate in web conferencing or VoIP communications.
The monaural headset is ideally used for Internet telephony and conferencing. It features 1/8" (3.5mm) adapters for connection to a PC. The headset also features a 2.5mm connector, allowing it to be used as a hands-free headset for most cellular phones.
The headset features an integrated omnidirectional microphone, allowing you to use it for Internet voice communications and video conferencing.
Inline Volume Control
The inline volume control and microphone mute switch is ideal for quick adjustments. The ability to mute a conversation with the touch of a button is quite handy.