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Bluetooth technical parameters:
Headband material: Taylon
Bluetooth version: 5.0
Bluetooth protocol: AGHSP
Bluetooth solution: Blue Message
Bluetooth transmission distance: 10m
Headphone channel: stereo (2.0)
Music playback time: maximum sound 7H, medium volume 10h
Microphone distance: 1m
Bluetooth standby time: 72H
Battery capacity: 150ma/h
Battery power: 0.55W
Horn impedance: 32 Ω
Horn power: 0.02W
Frequency range: 2.4-2.4835GHz
Sensitivity: 45db
Transmission power: 6dB
Audio output distortion: 0.6%
Audio output SNR: 93dB
Charging time: 1-2 hours
Maximum input voltage: DC 5V
Maximum input current: 150mah
Maximum input power: 0.55W