The Cellular Line Tuck Black Earbuds are wireless headphones with crystal clear sound in a capsule style. Cellular Line headphones allow you to listen to music or chat with complete freedom. Thanks to their built-in battery, you can have up to 3 hours of uninterrupted music experience. Total playback time jumps to 15 hours just charging in their case. With touch keys, calls and speech are managed autonomously from the headset.