I purchased these new online and have been using them for about 9 months. They function without any problems. Please be aware that there are some minor scratches from daily use. This is the third generation model released last year (the previous generation model to the current model). All accessories are included. Wireless Earphones: Nothing Ear White Brand: Nothing Wearing Style: Separate left and right, completely independent Earphone/Headphone Type: Canal type Color: White Wireless/Wired Connectivity: Wireless Earphone/Headphone Features: Noise canceling, Hi-Res, Microphone, Ambient sound mode, Sound quality adjustment, Waterproof/Splashproof, Remote control Wireless Standard: Bluetooth Bluetooth Codec: LDAC, LHDC, AAC, SBC