1SET Sleep Headset Bluetooth Headscarf Headband Wearing Wireless Music Sports Headband Built-in Sleep Music Blindfold

Country of manufacture: China Material: Polyester Individual weight: 70g Size: 26cm * 10cm Packaging accessories: Bluetooth headband instructions. Charging line. OPP bag Bluetooth version: 5.2

Bluetooth protocol: AGHSP

Bluetooth solution: Lanxun

Bluetooth transmission distance: 10 meters

Headphone Channel: Stereo (2.0)

Music playback time: maximum sound 8H, medium volume 10 hours

Microphone distance: 1 meter

Bluetooth standby time: 72H

Battery capacity: 150mA/h

Battery power: 0.55W

Speaker impedance: 32 ohms

Speaker power: 0.02W

Frequency range: 2.4-2 4835GHz

Sensitivity: 45dB

Transmit power: 6dB

Audio output distortion: 0.6%

Audio output signal to noise ratio: 93dB

Charging time: 1-2 hours

Maximum input voltage: DC 5V

Maximum input current: 150mAh

Maximum input power: 0.55W