Bluetooth Headset, Sweatproof Wireless Bluetooth Earphones In-Ear Noise Isolating Headphones Earbuds with Microphone for Running Sports - Magnet Attraction (Black) Portable and light-weight fashionable design, very easy to store in your bags Stereo ROM solution with aptX codec technology sets a new standard for wireless stereo audio quality F1 speakers: impressive bass exposes you in a live DJ show CVC 6.0 intellectual noise reduction technology precisely distinguishes and blocks the noise, guarantees you better audio sound and improves the connection quality Light-weight and ergonomic earbud design: they comfortably fit the ear canals, i.e. free you from adjusting the headphones during basic fitness like jogging, running, hiking etc.