1.Harman Kardon Signature Sound - refined, full-bodied sound with rich bass.2.This Certified Refurbished product is tested and certified by the manufacturer or by a third-party refurbisher to look & work like new, with limited to no signs of wear.3.The refurbishing process includes functionality testing, inspection, reconditioning and repackaging. The product ships with all relevant accessories.4.Smooth-contoured Design with Anodized Brushed Aluminum Alloy Trim.5.Harman Kardon Platinum Sound.6.Slim & Ergonomic Design with Real Metal.7.Includes: HBS1100 Headset, Micro USB Charging Cable (AC Adapter Head Not Included) and one set of eargels.6.color:black,sliverLG Tone Infinim HBS-900 Bluetooth Wireless Stereo HeadsetLG HBS-910 Tone Infinim Bluetooth Stereo Headset