Advanced Bluetooth 5.4 Technology:Wireless earbuds are equipped with the new Bluetooth 5.4, which fully optimizes Bluetooth transmission and connection defects, and successfully achieved non-disruptive latency. Use wireless headphones you will getting 3x faster transmission speed and more stable connectivity without signal loss or music dropouts. With a range of up to 15m, whether you are at home, in the office, or on the road, you don't have to worry about disconnection.