Bluetooth version 5
Support formats SBC
Transmitting power Class II ≥10M
Frequency respond 20-20KHZ
Earphone battery 45mAh
Charging case battery 400mAh
Sensitivity 108dB±3db@1KHZ
Speaker diameter/impedance 13mm/32Ω
Frequency range 2.402-2.480GHZ
Playing time 3-4H / 50% volume
Standby time 20H
Earphone charging time 1.5H
Case charging time 2H
Charging voltage/current Type-C USB 5V/1A
Discharging voltage/current USB 5V/1A
Earphone weight 4.5g±1g/ per earphone
Support protocol HFP1.7 HSP1.2 A2DP1.3 AVRCP1.6 SPP1.2 PBAP1.0