The Motorola 56517 has been replaced by the HKLN4599. The HKLN4599 is the same price and is nearly identical to the 56517 with minor upgrades.
Motorola's most popular headset with millions in use, the 56517 is the best headset available when multiple people share the same headset. The 56517 is also known as the HKLN4599 D-Ring Headset. The 56517 headset is comfortable, can be wiped down with alcohol pads, and provides clear, crisp audio. Best of all, the headset is extremely durable. The Motorola 56517 comes with a one year full replacement warranty.
This headset is heavily used by Retailers, Restaurants, Dental Staffs, and Educators.