Bluetooth Sleep Headphones Sports Headband Ultra-thin Soft Elastic Comfortable Wireless Music Headset Eye Mask Side Sleep

Main Features:
● Bluetooth 5.0 technology, can answer calls and listen to music;
● Charging for 2 hours, playback can exceed 10 hours;
● Waterproof and sweatproof, removable for cleaning;
● Built-in microphone can make hands-free calls;
● Bluetooth controller placed in the forehead is more suitable for sleeping on the side;
● One thing is multi-purpose, can answer the phone, can listen to music, can be used as a goggles during sleep, and can also be used as a sports headband.

Parameters:
Headscarf material: polyester
Bluetooth version: 5.0
Bluetooth protocol: AGHSP
Bluetooth solution: Lanxun
Bluetooth transmission distance: 10 meters
Headphone channel: stereo (2.0)
Music playback time: maximum sound 7H, medium volume 10 hours
Microphone distance: 1 meter
Bluetooth standby time: 72H
Battery capacity: 150mAh
Battery power: 0.55W
Speaker impedance: 32Ω
Speaker power: 0.02W
Frequency range: 2.4-2.4835GHz
Sensitivity: 45dB
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: 150mA
Maximum input power: 0.55W