Poly - Plantronics Backbeat FIT - Earphones with mic - ear-bud - behind-the-neck mount - Bluetooth - wireless - black core - Walmart.com
Amazon.com: Plantronics 211855-99 BackBeat Fit 3100 True Wireless Earbuds, Sweatproof and Waterproof In Ear Workout Headphones, Black, One Size Fits All : Everything Else
Best Buy: Plantronics Backbeat FIT 3150 True Wireless Sport Headphones Black 215104-99