PRODUCT GRADING Refurbished Pristine - Pristine condition / Very light signs of use > Refurbished to the highest standards. Non-Retail Box WHAT IS IN THE BOX Plantronics Blackwire C3210 Headset PRODUCT DESCRIPTION The C3210 headset provides plenty of freedom with wired connectivity. Listen to your tape recordings or use them when listening to telephone calls on Skype with these mono sound headset. Hear low subs and soaring vocals with a frequency range of sound from 20 Hz-20 kHz PRODUCT INFORMATION Brand - Plantronics Colour - Black Connectivity technology - Wireless Model name - BLACKWIRE C3210 USB-A Form factor - Over Ear Noise control - Active Noise Cancellation Headphone jack - USB Item weight - 0.26 Grams Special feature - Noise-Cancelling