The efficient PLANTRONICS H171 DuoPro Monaural Convertible Headset w/Clear Voice Tube, an adjustable double T-pad headband, earloop, and clothing clip. This headset reduces background noise and comes on a voice tube or noise-canceling microphone.

Features:

• DuoPro convertible over-the-ear/over-the-head headset
• Works with Plantronics amplifiers: M10, MX10, M12, M22, P10, SHS- 1890 series, AP-15 or CA12CD wireless dispatch amplifer and QD Connecting cords such as A10-16, HIC, HIS, 26716-01, 27190-01, 38099-01 sold separately
• Best-in-class sound quality and comfort
• The H171 ergonomic design is for all-day comfort
• Swivel voicetube microphone
• Foam earpiece
• Rubber headband

Dimensions: 7 x 5.25 x 2 inches