Series: Voyager Free 60 series Color: White Audio System Type: Earbud Brand: POLY Headphones Type: In-ear Connectivity Technology: Wireless - Bluetooth Headphones / Form Factor: In-ear Response Bandwidth (Headphone): 20 - 20000 Hz Microphone: Three-microphone steerable array Model: POLY VFREE 60 Detachable Mircophone: No Active Noise Canceling: Yes Interfaces: USB Type-A Compatibility: Compatible with PCs via included BT700 Bluetooth adapter; smartphone via Bluetooth