Reliable and easy to use true wireless earbuds. Control your music and calls simply by touching the earbuds, match your earbuds to your outfit and enjoy 30 hours of wireless music. The Twins Core have a playback time of 30 hours. The earbuds are fully charged in the charging box within 1.5 hours and you can use them for 6 hours after each charge. As both earbuds have a built-in microphone, you can use the earbuds not only as a pair, but also individually (only the right or the left). The earbuds have touch control and voice assistants.