Bluetooth version: Bluetooth 5.2
Earbuds capacity: 55 mAh
Charging case capacity: 410 mAh
Battery type: Lithium-ion battery
Speaker: Each earbud has a 10 mm-diameter dynamic driver unit
Microphone: Dual-microphone environmental noise cancellation during calls
Weight: Single earbud: about 5.5 g
Charging case: about 41 g
Dimensions: Earbud: 37.5 mm x 23.9 mm x 21 mm
Charging case: 45.5mm*61.2mm*25.35mm
Controls: Easy touch controls
You can change the shortcut settings
Frequency Response: Low latency and audio-video synchronization
20 Hz to 20,000 Hz