Blackout lets you sleep better, lets you listen to music without using extra headphones, and lets you fall asleep faster.

Made of velvet and stretch cotton, soft and comfortable to touch.

The sleep mask can be adjusted according to your head size.

The wireless sleep mask allows you to listen to music without using extra headphones and earbuds, allowing you to fall asleep faster.

True HD Hi-Fi sound with the latest 5.0 wireless technology, which produces great sound quality and can easily pair with smartphones, computers and most other wireless compatible devices.The speaker has a built-in microphone, allowing you to speak hands-free. Speakers are mobile. Adjust the volume after covering your ears, and press and hold the "/-" key or your phone to adjust.

The eye mask has a flexible Velcro strap. You can adjust the strap to the most comfortable position until it fits snugly against your head.

Wearing this sleep earphone eye mask can ideally block light, when you let natural melatonin flow and fall asleep, insomnia will disappear. This Bluetooth-compatible eye mask has a full block design, perfect for relaxation, insomnia, air travel, car travel, yoga, naps, audiobooks, meditation, children's reading.

Our wireless sleep earphones are suitable for men/women/kids/teens/boys/girls, which is the choice of most people, as a cool tech product as a birthday gift for men, women, teenagers, boys, girls, fathers, Christmas gifts, Valentine's Day gift mother.

Bluetooth-compatible version: 5.0

Bluetooth-compatible transmission distance: 10m

Music playing time: 7 hours at maximum sound, 10 hours at average volume

Microphone distance: 1m

Bluetooth-compatible 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%

Signal-to-noise ratio audio output: 93db

Charging time: 2 hours

Maximum input voltage: dc 5v

Maximum input current: 150mAh

Maximum input power: 0.55w

Color: black

1*Bluetooth-compatible headset

1* Instruction Manual

1*micro data cable