Bluetooth version: 5.0
Bluetooth protocol: AGHSP
Bluetooth solution: Blue message
Bluetooth transmission distance: 10 meters
Headset channel: Stereo (2.0)
Music playback time: maximum sound 7H, medium volume 10 hours
Microphone distance: 1 meter
Bluetooth standby time: 72H
Battery capacity: 180ma/h
Battery power: 0.55W
Horn impedance: 32 ohms
Horn power: 0.02W
Frequency range: 2.4-2.4835GHz
Sensitivity: 45db
Transmit 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
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1.3 in 1 Sleep Headphones & Sleep Mask & Sports Headband.
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The High-fidelity stereo sound benefits from Bluetooth V-5.0 technology produce great sound quality which provide a well-closed and immersed environment for your ears.
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Sleep headphones bluetooth sleep mask has a full coverage and uniquely designed of the nose area, effectively blocking light from entering, prevent light leakage.
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Sleeping headphones mask use memory foam materials and super soft fabric. It's very lightweight, and Skin-friendly breathable fabric is comfortable to wear.
