Casual, clear, and bright. The D11 Comfy All-Day Earbuds provide an even listening experience with a subtle bass. With up to 6 hours of play time (30 hours total) and sweat and splashproof the in-ear Sudio D11's are ideal for those who don't want to break the bank with their everyday earbuds. Expect a stable Bluetooth 5.4 connection, 2 microphones for calls, and touch buttons.