Sleep Eye Mask Music Play Sleeping Headphones 3D Answering Phone Calls Wireless Sleep Goggles for Sleep Headphones Bluetooth

Function : Light Blocking Sleep Aid Is Batteries Included : No Hign-concerned Chemical : None Type : Eyeshade Item Type : Sleep & Snoring Origin : Mainland China

Bluetooth technical specifications:

Headscarf Material: Polyester

Bluetooth version: 5.2

Bluetooth Protocol: AGHSP

Bluetooth solution: Blue Message

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

Transmission 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