The Plantronics Poly EncorePro 525-M USB headset is a sleek black headset designed for Microsoft Teams version use. With a compact size of 2.79 x 24.64 x 16.51 cm and weighing only 55 grams, this on-ear headset is made of durable plastic and offers comfortable wear during long calls. Featuring Bluetooth wireless technology and connectivity via USB, this headset provides high-quality audio and a convenient hands-free experience for users. The model EncorePro 525 is known for its reliable performance and advanced features, making it a top choice for computer headset users. See Pictures. Untested.