Bluetooth solution: Bluetrum 5616A
Bluetooth version: Bluetooth V5.3
Headphone battery capacity: 40mAh
Charging case battery capacity: 400mAh
Battery life: 5H * 5 times, total 30H (50% volume)
Transmission range: barrier-free call measured ≥15M
Resistance: 16Ω ±10%
Speaker diameter: Φ6 mm
Spirit sensitivity: 105±3dB
Earphone charging time: about 1.5H
Charging time: about 2.0H Headphone size: 35.1*17.7* 21.9mm
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