Expertly-Tuned SoundLife A1 true wireless earbuds have oversized 8mm drivers with triple-layer composite diaphragms to produce powerful sound with 40% more bass, 100% more treble, and clear mids.3 Custom Sound ModesSignature mode produces balanced sound that’s perfect for all music genres. Switch to Bass Booster to intensify bass-heavy songs for workouts or choose Podcast to enhance mids for podcasts and audiobooks.35-Hour PlaytimeLife A1 true wireless earbuds have 9 hours of playtime from a single charge and an extra 3 charges from the compact charging case. A quick 10-minute charge gives you 1.5 hours of listening when you’re in a rush.2 Ways to ChargeUse the included Anker USB-C cable to charge the case quickly or simply place it down on a wireless charging pad for super-convenient recharging.IPX7 WaterproofLife A1 true wireless earbuds are watertight to keep them protected while you work up a sweat or get caught in the rain.