Yealink wireless Bluetooth handset BTH58 adopts Bluetooth 5.0 technology, effective communication distance is up to 10-meter, with Yealink T58W or MP58 phones, you can leave desk to find documents and get coffee when making phone calls, greatly improving working efficiency and flexibility. With HD speaker and microphone, BTH58 brings you ultimate call experience. The 10% anti-packet loss rate can make the call more stable, thus maintaining the clear and fidelity voice quality.