Based on this product's specifications, here are some alternatives and similar models
Headset POLY Savi 8210-M
Summary description:
The POLY Savi 8210-M is a wireless single ear headset designed for office and call center use. It operates on DECT technology with a frequency range of 1880-1900 MHz, providing a wireless range of up to 180 meters. With a frequency response of 20 - 20000 Hz, it ensures high-quality audio. Weighing only 115 grams, it is lightweight and comfortable for extended use. The sleek black design adds a professional touch to your work environment.