This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee. 8240M UPC 649661692713 Color Gray Brand Name Plantronics Model Name S8240-M Item Weight 1.64 Pounds Manufacturer Poly Model Number S8240 BuiltIn Media Cable Cable Features Retractable Earpiece Shape over-ear Headphone Jack No Jack (Wireless) Frequency Range 20Hz - 20,000Hz Number of Items 1 Audio Driver Type Dynamic Driver Compatible Devices Telephones Enclosure Material Plastic, Fabric Additional Features Lightweight Wireless Technology DECT 6.0 Warranty Description 90 days limited warranty Age Range Description Adult Connectivity Technology DECT 6.0, Wireless Headphones Ear Placement Over Ear Specific Uses For Product Business Headphone Folding Features In Ear