Knitted Beanie Bluetooth LED Lamp Wireless Headphone
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Bluetooth technology: V5.0
Frequency: 2.402 GHz to 2.480 GHz
Spreading distance: 10 meters
Minimum microphone distance: 1 meter
Battery capacity: 3.7V/150 mAh
Charging time: within 2 hours
Continuous working time: 6 hours
1 LED Bluetooth Knit Hat
1 USB Cable
There is 2-3% difference according to manual measurement.
please check the measurement chart carefully before you buy the item.
Please note that slight color difference should be acceptable due to the light and screen.