– Enhance communication with the Calltel T400 Mono Ear Headset featuring a noise-canceling microphone. It has a single 3.5mm jack for easy connectivity to various devices. Enjoy crystal-clear audio quality during calls and conferences with its ergonomic design for comfortable extended use. The headset is ideal for professionals, call centers, remote workers, and gamers. It increases productivity and focus with superior sound isolation technology, compatible with various devices such as PCs, laptops, smartphones, and tablets. Improve voice clarity and reduce background noise for seamless communication, making it a perfect hands-free solution for noisy environments. Experience premium sound performance at an affordable price.