Basic Information  

Chipset    BES
Earbuds Model    ETEA1
Charging Case Model   
Noise Cancellation    Up to 49dB Smart Adaptive Noise Cancellation   
Frequency range: Up to 4000Hz   
Transparency Mode   
Audio    Driver    12.4 mm dynamic driver
Driver Sensitivity    112±3dB
Frequency Response    20 Hz- 20 kHz
Microphone Sensitivity    -38 dBV/Pa
Microphones    3 Mics per side
Hi-RES Certificate    Support
Bluetooth    Bluetooth Codec    LHDC 5.0/AAC/SBC
Bluetooth Version    Bluetooth 5.4
Bluetooth Range    10 m
Connection    Google Fast Pair    Support
Dual connection    Support
Battery    Battery Type    Rechargeable Li-ion Cell
Battery Capacity    58 mAh (Earbuds) / 440 mAh (Charging Case)
Music Playback    "[AAC, 50% Volume]
ANC OFF: 12h (Earbuds) / 44h (Earbuds+Case)
ANC ON / Transparency mode : 5.5h (Earbuds) / 20h (Earbuds+Case)"
Talk Time    "[HFP, 50% Volume]
ANC OFF:  4.5h (Earbuds) / 18h (Earbuds+Case)
ANC ON /  Transparency mode : 4h (Earbuds) / 15h (Earbuds+Case)
Do not show on the product page."
Charging    Charging interface    USB Type-C
Fast-charging    "10 mins for 4 hours (Earbuds, 50%volume, AAC, ANC OFF)
10 mins for 11 hours (Charging case + earbuds combined, 50%volume, AAC, ANC OFF)"
Charging time    60min (Earbuds)/ 80min (Earbuds +Charging Case)
Charging input (charging case)    5V⎓1A
Charging input (earbuds)    5V⎓0.2A
"Charging output
 charging case to earbuds)"    5V⎓0.4A
Dust & Water Resistance    Earbuds    IP55
Weight&Size    Earbuds Size    29.99mm*20.30mm*23.87mm
Weight Earbuds    4.4g
Case Size    66.60mm*51.24mm*24.83mm
Weight Earbuds & Cases    47g