The Yealink BH71 Pro Bluetooth Office Wireless Headset with Charging Case is a sleek and efficient on-ear headset designed for home telephones and consumer electronics. With Bluetooth 5.2 technology and adjustable ear hook, it offers a wireless range of up to 100ft/30m and a talk time of up to 10 hours. The headset includes a charging case with a 20-hour battery life, making it convenient for users to keep their device powered while on-the-go. Ideal for Yealink brand customers, this product features built-in 4-Mic Beamforming noise cancellation for clear communication. Missing Dongle