experience your music with powerful stereo sound and crisp, tight bass. Boasting less than 1% total harmonic distortion, SoundCore sounds great even at the highest volumes.Incredible Battery Life Anker's industry-leading power management technology keeps your tunes playing for up to 24 hours on a single charge—that's over a week's worth of playtime (based on average usage).Uncompromised Portability To keep SoundCore small but also sounding great, we've designed it using a unique spiral bass port design. The result is a clean bass sound you can easily pick up and put in your bag.Bluetooth 4.0 Connectivity Unlike most other speakers, SoundCore uses the very latest Bluetooth technology to maximize device compatibility and pairing speed.