The HP Poly CS540A true wireless headset offers crystal-clear sound and the freedom to move without being tied down by cables. It excels in noise-cancelling audio, perfect for focused work and hands-free calls. Its over-the-ear design fits comfortably for extended use. The boom mic ensures clear voice calls, and the 393.7ft. wireless range lets you move freely without losing connection. | HP Poly CS540A Over-Ear Noise Cancelling True Wireless Headset - Black