Soundcore by Anker R50iTrue Wireless Earbuds – Blue Model: A3949H31 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. AI-Clear Calls: 2 mics and AI processing ensures that your voice is heard in crystal clear clarity. Fast Charging: A fast 10-minute charge gives your earbuds an extra 2 hours of playtime. IPX5 Water-Resistant: soundcore R50i true wireless earbuds are protected from splashes of water, so you can wear them outside, even when it rains. *Note: Water resistance rating applies to earbuds, not the charging case