Bundle Includes: Sony WF-C500 Truly Wireless In-Ear Bluetooth Earbud Headphones (Black) with Noise Isolating Memory Foam Ear Tips (6-Pack) and Silicone Ear Tips (6-Pack) Listen for Hours: Enjoy up to 20 hours of listening thanks to the handy charging case. A 10-minute quick charge gives you up to an hour of extra play time. Waterproof: With an IPX4 water resistance rating, splashes and sweat won’t stop these headphones. One Earbud, Ideal for Multitasking: If you want to listen to your music while still being able to have a conversation, remove one earbud only from the charging case and use as normal Ergonomic Surface Design: The WF-C500 headphones combining a shape that matches the ear cavity with a new ergonomic surface design for a more stable fit