mucro Sport Wired Earbuds Over Ear in-Ear Earbuds Earhook Running Headphones Over Ear Earbuds Wired with Microphone for iPhone iPod Android Phone (Blue)

1. Adjustable earhooks is easy to clip on your ear, then keep the headphone securely in place during sports & rigorous activity. 2. Silicone earplugs, comforms to your ear. These are 3 sizes of earplugs to ensure a custom comfortable fit, sealing the ear to deliver bass and isolate noises. 3. Good sound quality: good call quality and microphone. Even on a noisy treadmill, you can clearly hear each other. 4. Built-in microphone, can answer / hang up calls and switch music 5. Suitable for all kinds of sports occasions, such as running, jogging, hiking, cycling, etc 6. 3.5mm headphone jack 7. Frequency range: 20-20KHz 8. Sensitivity: 97dB+/-3dB 9. Impedance: 16+/-15% ohm 10. Line length: 120+/-5cm 11. Package list: - Mucro headphones x 1 - Earbuds x 3 pairs (S/M/L) - Carrying case x 1 - User Manual x 1