stardrift NFC Bluetooth 4.1 Sport Stereo Earbuds Noise Cancelling Headphones with Microphone Comfortable Wearing Earhook Sweastproof Lightweight Good for Sports Gym Running Jogger Exercise Noise isolating in-ear design enables you to listen to more clear and powerful sound, improving audio quality Awesome portable and lightweight wireless headset can be stay in your ears comfortably and safely. Compatible with most Android Smart Phones, iPhone, Tablets and other Bluetooth-enabled device with clear sound. Bluetooth 4.1 with NFC/ Built-in microphone and controls for phone calls, volume, and music playback Over-ear design and memory wire conforms to the shape of your ears, allowing you to enjoy an uninterrupted routine without adjusting earphones trouble.