Amazon is selling a $70 pair of smart glasses with Bluetooth speakers for just $30

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Why we love this deal

If you're one of the many who spend the day, and a good chunk of the night, staring at a screen, this can be hard on your eyes. Not only can it make falling asleep harder, but it can also cause both short- and long-term damage. Of course, there's a way to minimize the dangers of blue light.

The Monster Smart Glasses with Bluetooth Speakers are made to reduce digital eye strain, but more importantly, they're a flashy and useful fashion accessory. Typically, they retail for $70, but you can save 57% at Amazon right now and shop them for just $30.

Monster Smart Glasses with Bluetooth Speakers, $30 (was $70) at Amazon

Why do shoppers love it?

Shoppers love these glasses primarily because they're, first and foremost, an attractive pair that looks great whether you're out for a casual drive or walking on the beach. The iconic black frame with gold accents goes with just about every outfit and occasion. 

Aside from looking great, these glasses pack built-in speakers, which allow you to make and take calls from your phone or just listen to your favorite tunes and podcasts. Glasses aren't exactly known for their audio fidelity, but these are a definite standout.

"The sound quality is impressive — rich, balanced stereo audio that feels immersive without blocking outside noise," one shopper said. "I can listen to music or podcasts while still hearing traffic or people around me. The dual-microphone noise cancellation makes my phone calls clear, even in windy conditions."

Related: Amazon is selling a pair of smart glasses with automated translation for just $36

Details to know

• Interface: Earpiece buttons, or voice controls with Siri, Google Assistant, or Amazon Alexa.
• Connectivity: Bluetooth 5.3 wireless.
• Lenses: UV400 protective lenses available in black, brown, and clear tinting.
• Battery life: Up to 6 hours of continuous use, 68 hours of standby. 

The UV400 polarized lenses don't just protect you from the sun's harmful rays but also the harmful light that comes from a massive computer monitor, phone, or tablet screen. Go ahead, scroll on your phone before bed…as long as you're wearing these glasses to protect your peepers. 

While you can interface with your Bluetooth device using the volume buttons on the glasses themselves, you can also control them using various voice assistants like Siri or Alexa. Better yet, they last incredibly long on a single charge, with up to 68 hours of standby time. They're also IPX5 water resistant, which means they can resist both sweat and a light drizzle.

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Not all tech accessories cost hundreds of dollars. For a limited time, you can treat yourself to a useful wearable like the Monster Smart Glasses with Bluetooth Speakers. They're available at Amazon for just $30 right now.