Specifications: Type: True Wireless Earbuds Bluetooth Version: Bluetooth 5.0 Driver Size: 8mm dynamic drivers Frequency Response: 20Hz - 20kHz Earbuds: Up to 6 hours Charging Case: Up to 24 extra hours Total Playtime: Up to 30 hours Microphones: Dual microphones with C3 Calling (crystal clear clarity) Charging Time: About 1.5 hours for earbuds, 2 hours for case Charging Port: USB-A integrated charging cable IP Rating: IP55 (sweat and dust resistant) Controls: Touch sensors for volume, play/pause, call, voice assistant Voice Assistant Support: Siri, G Google Assistant