Havit ANC True Wireless Earbuds - TW906 PRO (Grey)

Bluetooth Version: V5.3
Earbuds Battery: 30mAh
Charging Case Battery: 300mAh
Play Time:about 5h (60% vol.) / 4h (60% vol. with ANC ON)
Talk time:4h
Buds Charging Time: 1.5h
Case Charging Time: 2h
USB Port: Type-C" "Charging Case Dimension: 48.2*49.5*27mm
Buds Dimension: 31*16.6*18.9mm
Buds Net Weight: 3.7g*2
Charging  Net Weight: 33g
Wireless Working Range: 10M (without obstacles)
Profiles Supported:
Audio code: AAC SBC
Speaker Size: Φ10mm
Speaker Frequency:20Hz~20KHz
Sensitivity: 111.2dB±3dB
Impedance:32Ω(±15%Ω)
Input Voltage / Current:DC 5V/300mA"