Flymemo Freesolo Bluetooth 4.1 Sport Earbuds IPX4 Sweatproof for Running Workout Gym In-Ear Sports Earphone Headphones High-Fidelity Sound: Connect your phone or tablet via Bluetooth 4.1 and instantly begin to enjoy crisp, skip-free stereo sound from up to 66-feet away. DSP noise cancelling technology ensures that perfect sound is delivered to your ears each time. Incredible Playtime: Freesolo provide an impressive 6-hour playtime on a single charge, allowing you to play through a week's worth of workouts! Comfortable Fit: Included S/M/L eartips and in-ear earhooks ensure a comfortable and secure fit for everyone. Neckband design prevents troublesome wires from tangling during your workout. IPX4-Rated Splashproof: Built for your active lifestyle, Freesolo are rated IPX Level 4 and can withstand dripping sweat, heavy rain, even a splash from your sports drink!