Wireless Headphone, QCY QY12 Bluetooth 4.1 Waterproof Sports Headsets with Mic,Magnetic CVC 6.0 Noise Cancelling for Running, Biking,Exercising Industry-Leading CSR Bluetooth 4.1 Chipset: Bluetooth 4.1 chip and Apt-X technique allow Hi-Fi sound quality with low latency. Bring you the extra bass music experience. Magnetic Suction Design: Anti-dropping, easily stow the headphone and wear it around your neck. CVC6.0 Noise Cancelling and Built-in Mic: Precisely Identify the Voice Call from eternal noise. The built-in MIC provides hands-free phone call. Sweat Proof: Liquipel Nano Coating enhance durability to withstand the sweaty workouts environment. One-Year Warranty: 100% Money Back Guarantee within One Year. Our Excellent Customer Service brings you No Worries after purchase.