Bluetooth version: 5.3 (Jieli AC6973D4)
Support protocols: A2DP, HFP, AVRCP
Battery capacity: 30mAh*2 (without protection board but IC)
Battery capacity of charging case: 300mAh (with protection board)
Charging time: 1.5H
Talk time: 4.5H
Play time: 5H
Standby play: 300H
Horn parameters
Diameter: 10mm
Sensitivity: 97±3dB
Impedance: 32Ω±15%, at 1KHz
Mic parameters
Sensitivity: - 39dB±2
Impedance: 150Ω
Maximum transmission distance: 10M
Bandwidth: 100KHz-5KHz
Voice prompt: supported
Multi-point connection: unsupported
Wearing method: in ear
User manual: Chinese and English
Interface: Type-C
Waterproof rate: IPX5
ENC depth (Fourl mic for call): ＞- 35dB
Accessories: USB charging cable, user manual
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