With the JVC HA-EC20BT, you'll have maximum freedom of movement during your workout. Thanks to the ear hooks, the earbuds will even stay firmly put during a strenuous strength training. Do you wear glasses? Thanks to the Pivot Motion Fit design, it will remain comfortable to wear glasses during your listening sessions. Bluetooth lets you stream your music from your smartphone. The earbuds are sweat and splash proof, ideal features when you're training outside. You can control the music and call hands-free with the remote control in the cable. Various size earbuds are included, ensuring they'll always fit comfortably.