Bluetooth version: V5.3
Bluetooth solution: Jerry 6973
Audio coding protocol: SBC, AAC
Effective range: 10 meters
Earphone battery specifications: 45mAh with protection board
Earphone charging time: ≈1.5 hours
Charging box charging standard: DC 5V1A
Number of earphone charging times: about 3 times
Speaker size: Ф10mm
Speaker impedance: 32Ω±15%
Frequency response range: 20Hz~20KHz
Weight (single earphone): ≈ 4.8g
Weight (whole set): ≈ 60.8g
Supported Bluetooth protocols: HFP, A2DP, AVRCP
Signal power level: Class 2
Working frequency: 2.402GHz-2.480GHz
Earphone charging voltage: DC 5V±0.2V
Charging box battery specifications: 400mAh with protection board
Charging box charging time: ≈2 hours
Connected standby time: ≈70H
Cumulative battery life: about 32H
Speaker sensitivity: 109± 3dB
