PRODUCT GRADING    Refurbished Excellent - Item shows some signs of wear. It is fully functional and has been professionally refurbished, inspected, tested and cleaned to excellent condition by qualified sellers. &gt; 12 Months Warranty 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