Invisible Earbuds Sleep Smallest Bluetooth Earbuds Mini Wireless Ear Buds

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Shipping & Delivery Time Details

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Free Shipping Delivery Time:
United States: 6 - 15 working days
Canada : 6 - 15 working days
Australia: 6 - 15 working days
European countries: 8 - 19 working days
Express Shipping Delivery Time:
United States: 3-5 days( $25 extra)

The order processing time usually takes about 1-2 business days.
More details refer to our Shipping Policy.

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  • 【Mini design, Comfortable to wear】 Very mini design style, fits both ears, very light, and fits the ear hooks safely, suitable for long-term wearing without discomfort to the ears, and there is no problem in wearing for a long time. It feels so light and natural, you hardly notice its presence
  • 【Total 35 Hours Playback】These single playtime of invisible earbuds can be used up to 5 hours after fully charged, and the sleek charging case can add using the time to 35 hours, it means that the charging box can provide 7 times for extra charging power for smallest earbuds, so you don't have to worry about it
  • 【Random Use Single Earbud】Upgraded technology allows you to randomly pick one mini earbud(either left or right) for instant use when you are driving on the road or working in the office, with no need to worry if it’s the master earphone and working right away
  • 【One-key Control】This invisible bluetooth earbud is one-key control, long press the switch. When listening to music, click play/pause, double click to switch to the next song; when answering an incoming call, one-click answer/hang up
  • 【Stable connection, low latency】Bluetooth 5.1 chip, and true wireless technology can provide a more stable connection for small earbuds, signal transmission is more stable, and bring convenience to your life

One Step Connection

This X21 smallest invisible earbuds are super easy to connect. Open the cover and the wireless earphones will automatically turn on and pair with each other.

Use for The First Time: Take out the headset device from the charging compartment at the same time, the headset can be automatically turned on at this time, the red light will flash twice after turning on, the main ear enters the red and blue light flashes quickly, and the secondary ear enters the blue light flashes slowly. Turn on the Bluetooth of cellphone and tap "X21" to pair.

Second Time: Open the charging box and turn Bluetooth on your phone, earbuds will connect to your phone (connected last time) automatically.

Customer Reviews

Based on 47 reviews

Two things.. The smallest possible headset size and battery life. Thumbs up!

Great earplugs

I bought these headphones for work. I didn't want anyone to know I had earplugs in my ears, so I bought this and it's perfect. Music is perfect for me. It doesn't eliminate the nose, which is good for me because I want to know in case the client speaks to me. Sometimes it hurts my ear and I just move it slightly to adjust it and then I forget that I have something in my ear. To sum up. The earphone is what I need. It meets my needs. That's great!

Love these headphones!!

I like these earplugs very much. They are so small and cautious. I wear it at work and no one notices. Incredible stereo sound with noise cancellation capabilities. I only ordered a few because I left them in my pocket and washed them by accident. Other than that, they were great.

Nice, but not appropriate

It's a nice product, but this type of earplug won't stay in my ears


I like this. My ears are too small. It fits perfectly

Invisible Earbuds Sleep Smallest Bluetooth Earbuds Mini Wireless Ear Buds
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