? We’re confident in our product so we offer 12 months warranty , Should you have any concerns to the problem, feel free to contact us. ? Silver-plated oxygen-free copper core Which could provide maximum's conductivity and durability and transfer high purity audio signal without distortion,high fidelity,ideal for music lovers. ? 3.5mm male to male stereo audio cable is made of pure copper, ensuring high fidelity sound quality and providing maximum's conductivity and durability. 24K gold contacts for optimal signal transfer and corrosion resistance. ?aux cable Cotton braided ensure the cable and durable&double shielding ensure optimal signal transfer;90 degree angle helps release strain,solve the cable breakage issue. ?3.5mm audio stereo cable 90 degree right angle can easily connect any of your 3.5mm audio port equipped iPod, iPhone, iPad, 2018 Mac mini, smartphone, Mp3 player or tablets to your car, portable wireless bluetooth speakers or home stereo, compatible with any digital devices with standard 3.5mm jack audio, like Beats Headphones,.