Core Features: Premium Hd Voice For Calls And Music 6.5-Foot (Two-Meter) 360-Degree Microphone Pickup Range Six-Microphone Beamforming Array For Full-Duplex Experience Usb Or Bluetooth Connectivity Portable Design Speakerphone Size: 132.5 X (H) 35.5Mm Speakerphone Weight: 320G / 11.28 Oz 8 Touch Buttons Connectivity: Usb 2.0 Pnp & Bluetooth Usb Cable Length: 3 Feet/0.9 Meter Built-In Bluetooth 4.2 Wireless Range: 100 Feet / 30 Meters Power: Usb/Lithium Polymer Battery.