Jabra Speak 750 USB BT Adapter, UC

Jabra 7700-409. Device type: Universal, Product color: Black, Silver, Maximum operating distance: 1181.1″ (30 m). Microphone direction type: Omnidirectional. Connectivity technology: Wired & Wireless, Interface: USB/Bluetooth, Bluetooth profiles: HFP. Power source type: Battery, USB, Charging voltage: 5 V, Current: 0.5 A. Width: 5.16″ (131 mm), Weight: 10.6 oz (301 g)