Nank(Naenka) has been a bone conduction headphones brand in the market for 13 years to offer high-quality, stylish, comfortable, and technologically advanced headphones. Nank(Naenka) founded in China, have been transforming the way of using headphones and pushing boundaries that limit the use of headphones, especially during sporting activities like swimming, running, cycling, climbing, etc. Nank(Naenka)’s products are designed with quality, comfort, and cutting-edge technology in mind and are sold to professionals, athletes, we provide free shipping to worldwide. Nank(Naenka) Runner Series headphones average price is $100, with commissions of 10%-12% for each order, which can get commission by purchase through an affiliate link within 30 days! If you have any questions pls feel free to contact us via marketing@naenka.com. We are looking forward to being a long-term partner with you! Let's begin our win-win cooperation! Cheers