: USB/Bluetooth® Smart Speakerphone Slim and Portable Design Works With Computers via USB Connect Wirelessly to Computers Touch sensitive user controls for. - Call/answer End. - Mute. - Volume +/-. - Programmable Function Button. - Microsoft Teams (Microsoft Teams versions only) Push Button User Controls For. - Power On/off. - Bluetooth Pairing Highly Visible Status Light Bar Integrated USB-A or USB-C Cable One USB-A port for Smartphone Charging Kensington Lock Slot Bluetooth v5.0 Supported Bluetooth profiles. - A2DP, AVRCP, HFP, HSP, and BLE Three Microphone Steerable Array Microphone Pickup Range Up To 7 ft / 2m Ideal for Room Sizes Up To 4 m x 4 m Microphone Frequency Response. - 100 Hz to 6.7 kHz Full Duplex Audio Noise & Echo Reduction Loudspeakers 1 x 40 mm High-Performance Music Speaker Loudspeaker Frequency Response. - 80 Hz to 20 kHz Bass Reflex With Dual Passive Radiators Lithium-ion Battery 3200 mAH Battery capacity Up to 20 Hours