Bluetooth: Bluetooth 5.4 Connection: Stable Low-Latency Wireless Connection Music Playback: Up to 4.5 Hours Talk Time: Up to 3.5 Hours Standby Time: Up to 50 Hours Charging Interface: USB Type-C Charging Time: Approximately 1 Hour for Earbuds and Charging Case Design: Lightweight and Comfortable Audio: Clear Sound Quality for Music and Calls