Anker Soundcore R50i True Wireless Earbuds. Battery Life: Up to 30 hours of playtime with the charging case. Sound Quality: Features 10mm dynamic drivers for a powerful audio experience. Connectivity & Durability: Uses Bluetooth 5.3 technology and is IPX5 water-resistant. Additional Features: Equipped with two microphones for AI-enhanced calls and 22 EQ presets via the app.