Yealink (BT41) Bluetooth USB Dongle, V4.1, Frequency Range 2.402GHz-2.480GHz, Up to 10 meters Distance

USB Dongle for Bluetooth Headsets • Bluetooth specification: V4.1 • Enhanced Data Rata (edr) compliant for both 2Mbps and 3Mbps supported • A2DP technology • Support 8K NBS (apply to SIP-T27G/T29G/T46G/T48G/T41S/T42S/T46S/T48S) • Support 16K WBS (apply to SIP-T53) • Operating distance: 10 meters • Answer incoming calls through Bluetooth headset • Terminate calls through Bluetooth headset • Adjusts the volume of Bluetooth headset through Bluetooth headset or your phone • Bluetooth frequency range: 2.402GHz-2.480GHz • Built-in security • Low power consumption