Designed for use in mass-deployment enterprise environments, the Blackwire 3215 Mono USB-C Headset from Poly is a noise-canceling headset that features a flexible boom microphone, plus USB-C and 3.5mm interface for connecting to Macs, Windows PCs, and a wide range of other devices. The mono design boasts leatherette-encased, on-ear speakers featuring hearing protection to guard against sounds above 118 dBA. Additionally, the Blackwire 3215 Headset comes equipped with inline controls that let you answer, ignore, end, hold, redial, and mute calls as well as adjust the volume. The inline controls can also be used to control music and other multimedia applications. When you're finished with your call or multimedia application, the Blackwire 3215 folds flat for portability. Included is a USB-C to USB-A adapter. Experience the high-quality audio you expect from Poly with a headset that offers PC wideband, a noise-canceling mic, and more. Dynamic EQ optimizes call quality and automatically ad