Maxell Sync Up True Wireless Earbuds: Stereo Bluetooth Audio, Black

Maxell Sync Up True Wireless Earbuds: Stereo Bluetooth Audio, Black

Marsoni

M251S

$81.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Maxell Sync Up True Wireless Earbuds: Stereo Bluetooth Audio, BlackEnhance your listening experience with the Sync Up True Wireless Bluetooth Earbuds. These earbuds are designed to deliver heavy bass, providing a higher fidelity sound that will truly satisfy your ears. With up to 12 hours of playtime available through the included charging case, you can enjoy your favorite music and podcasts without interruptions. The noise isolating design ensures that you can immerse yourself in your audio without any distractions.

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Fast: 2-3 business days
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We offer a 30-day return/exchange service after receiving.
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This works really well! I used it several times and really saw a difference. Unfortunately I had a root canal done and the following day I decided to whiten and I thought I was going to die! I didn’t know my front tooth was going to be that sensitive from the tooth canal. That was my fault and only telling this story as a warning! Do not use this after dental work unless your dentist says ok! Otherwise it works amazingly!

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Reviewed in the United States on May 2, 2026

Verified Purchase

Zero

Dallas, US

★★★★★ 4

Easy to use

Size: 4 Count (Pack of 1)

Continued use is needed for best results

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Reviewed in the United States on May 14, 2026

Verified Purchase

Nicole

Lexington, US

★★★★★ 5

No sensitivity issues and works!

Size: 4 Count (Pack of 2)

I have what I would consider sensitive teeth and this doesn’t bother them one bit. I have used nightly for about 5 nights and can see a difference in color but again, no pain or sensitivity problems! I would recommend to anyone who asks what product to get for whitening teeth.

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Reviewed in the United States on February 25, 2026