In-ear Design: The earbuds feature a comfortable in-ear design, ensuring a secure fit that helps isolate external noise. Dynamic Sound Quality: They are equipped with custom 10mm drivers that deliver clear sound with rich bass, making them suitable for a variety of music genres. Long Battery Life: The K20i earbuds offer up to 6 hours of playback on a single charge, with an additional 24 hours available from the charging case. Fast Charging: Thanks to fast charging, just a short charge can provide hours of playback time.