[ACCURATE & NATURAL SOUND] Bliiq earphones feature advanced noise cancellation and High-Fidelity audio for rich bass, clear detail, and immersive soundperfect for enjoying your favorite music. [ERGONOMIC FLEX DESIGN] Bliiqs FLEX-design uses elastic, non-sticky, sweat-resistant materialsoft yet securefor a comfortable fit that stays in place. Ideal for intense workouts, running, gym sessions, biking, and hiking. [AMBIENT MODE HEAR YOUR SURROUNDINGS] Bliiqs Hummingbird includes Ambient Mode. With a simple click, external sounds like conversations, traffic, or announcements come through clearly. [AMAZING BATTERY LIFE] Bliiq Hummingbird offers up to 14.5 hours of playtime on a full charge. A quick 10-minute charge gives up to 1 hour of playback. [SPINFIT EAR TIPS]SPINFIT ear tips are included in the package. SPINFIT has a flexible core design allows the ear tip to be inserted deeper into the ear, enabling less obstructing along the sound field dispersion path.