Driver Unit (mm):10 mm (3/8 in)Frequency Response:20 Hz - 40 kHz (LDAC 96 kHz/990 kbps)Mic:MonauralMEMS MicPlayback Time with Battery (LDAC):Earbuds - Approx. 4.5 hours (NC ON)Earbuds - Approx. 5.0 hours (NC OFF)Earbuds with Charging case - Approx. 16 hours (NC ON)Earbuds with Charging case - Approx. 17 hours (NC OFF)Playback Time with Battery (AAC):Earbuds - Approx. 7.0 hours (NC ON)Earbuds - Approx. 7.5 hours (NC OFF)Earbuds with Charging case - Approx. 24 hours (NC ON)Earbuds with Charging case - Approx. 25 hours (NC OFF)Charging Time (25°C/ 77°F):Earbuds - Approx. 2.0 hoursCharging cradle - Approx. 2.5 hoursEarbuds with Charging case - Approx. 3.5 hoursQuick Charge (15 minutes, LDAC):Earbuds - Approx. 45 minutes (NC ON)Earbuds - Approx. 50 minutes (NC OFF)Quick Charge (15 minutes, AAC):Earbuds - Approx. 70 minutes (NC ON)Earbuds - Approx. 80 minutes (NC OFF)Standby Time:Earbuds - Approx. 9 hours (NC ON),Earbuds - Approx. 15 hours (NC OFF, Auto power off does not work)Weight:Earbuds (one side only: L and R are the same) - Approx. 7 g (0.25 oz)Charging case - Approx. 45 g (1.6 oz)Bluetooth® Wireless TechnologyVersion:5.2Supported Profiles:A2DP, AVRCP, HSP, HFPCodec:SBC, AAC, LDACOperating Distance:Up to 10 m (33 ft)Water ResistanceEarbuds only:IPX4 EquivalentDual Hybrid Noise Cancelling:Yes