Bluetooth version: V5.3
Support protocol: A2DP HFP AVRCP
Battery capacity 30mAh*2
Charging compartment battery capacity: 300mAh (with protection board)
Charging time: 1.5H
Call duration: 4.5H
Play time: 5H
Standby time: 300H
Speaker parameters:
Horn specification: ∮10mm32 ohm
Sensitivity: 97±3dB
Impedance: 32Ω ± 15% Ohm, at 1KHz
Microphone parameters:
Sensitivity: -39DB ±2
Impedance: 150 OHM
Maximum transmission distance: 10M
Bandwidth: 100KHZ-5KHZ
Multi-point connection: not supported
Interface: TYPE-C
Waterproof grade: IPX5
ENC noise reduction depth (4 mic call noise reduction): >-35dB
Included accessories: USB charging cable, manual