Audio:
Driver: 8 mm dynamic driver
Driver sensitivity: 100.6 dB @ 1 kHz
Frequency response range: 20 Hz - 20 kHz

Bluetooth:
Bluetooth codec: AAC/SBC
Bluetooth version: 5.2
Bluetooth range: 10 m

Battery:
Battery type: Rechargeable Li-ion Cell
Battery capacity: 40 mAh (Earbuds) / 400 mAh (Charging Case)
Music play time (50% volume): 6 h (single charge)/ 24 h (with Charging Case)
Communication time (50% volume): 4 h (single charge)/ 15 h (with Charging Case)

Charging:
Charging time: 120 min (Earbuds)/ 150 min (Earbuds +Charging Case)
Charging port: USB Type-C

Splash, Water, and Dust Resistant:
Dust & water resistance (Earbuds): IP54

Dimensions and Weight:
Weight: 4.0 g/Earbud，37.0 g/Charging Case, 45.0 g/Headphones

Size (Charging Case): 67.0 mm*40.4 mm*27.2 mm

Size (Earbud): 22.2 mm*19.6 mm*22.7 mm

Size (Package): 120 mm*120 mm*36 mm