HONOR CHOICE Earbuds X are affordable wireless earbuds featuring clear sound, a comfortable design, and long battery life. Sound: 12mm speaker (driver) for deep sound and wide range. Calls: Dual microphones with algorithms to reduce ambient noise during calls. Battery: Provides up to 28 hours of music playback with the charging case. Comfort: Semi-in-ear design at a 13-degree angle with a very light weight of 4.3 grams per earbud. Attention and Technology: Bluetooth 5.2 connection for fast and stable connection.