If you're making long calls from the office, the Sennheiser SH 230 IP Monaural Headset is essential. This lightweight wideband headset offers wearing flexibility as well as stylish presentation. Compared with traditional narrowband, wideband speech technology offers better sound quality and speech recognition with voices, sounds, accented speakers and echo reduction. The benefits are increased productivity and less fatigue on business calls. Packed with Sennheiser's safety and comfort features, the SH 230 IP is fitted with ActiveGard technology to protect against acoustic shock and sudden sound surges.