IPX5 Water-Resistant: soundcore P25i true wireless earbuds are protected against water, so you can wear them during workouts and outdoors, whatever the weather. Big 10mm Drivers: The drivers produce powerful sound with punchy bass. 22 Preset EQs: Choose how you want to hear your music in the Soundcore app. Ergonomic, Lightweight Fit: The small earbuds are lightweight and comfortable for long listening sessions. They fit in a tiny case with a lanyard that can be stored and carried conveniently. All-Day Playtime: Get 10 hours of playtime on a single charge and stay powered for 30 hours in total with the case.