Xiaomi Redmi Buds 6 Headset Wireless In-ear Calls/Music Bluetooth WhiteExcellent sound quality for a spectacular listening experience Dual driver acoustic architecture Crystal clear sound so you can hear the tiniest details Featuring a 12. 4mm ultra large titanium coated diaphragm with a 5. 5mm micro piezoelectric ceramic unit, the dual acoustic drivers work in harmony to deliver dynamic, clear and captivating melodies with ample detail. Four built in EQ sound effects and one custom EQ The four built in EQ sound options