Bluetooth Headband with Speakers

Bluetooth-compatible Music Headband
Specification:
Bluetooth version: 5.0
Bluetooth protocol: AGHSP
Bluetooth solution: Bluetrum
Bluetooth transmission distance: 10m
Headphone channel: stereo (2.0)
Music playing time: Maximum sound 7h, medium volume 10 hours
Microphone distance: 1m
Bluetooth standby time: 72h
Battery capacity: 150mA / h
Battery power: 0.55W
Horn impedance: 32 ohm
Horn power: 0.02W
Frequency range: 2.4-2.4835GHz
Sensitivity: 45dB
Transmitting 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