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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
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Description
JBL TUNE 520BT Wireless On-Ear Headphones (Blue)Stream powerful JBL Pure bass sound anywhere with the blue JBL Tune 520BT, on ear headphones with advanced Bluetooth 5. 3 wireless technology. Offering up to 57 hours of battery life and EQ customization with the JBL Headphones app, these wireless headphones let you enjoy your music however you like for as long as you like. Make easy hands free calls or call up your preferred AI assistant such as Siri or Google. Multipoint connections allow you to
Stream powerful JBL Pure bass sound anywhere with the blue JBL Tune 520BT, on-ear headphones with advanced Bluetooth 5.3 wireless technology. Offering up to 57 hours of battery life and EQ customization with the JBL Headphones app, these wireless headphones let you enjoy your music however you like for as long as you like.
Make easy hands-free calls or call up your preferred AI assistant such as Siri or Google. Multipoint connections allow you to watch your favorite movies, enjoy your preferred tunes, or immerse yourself in your games while staying connected to incoming calls. The Tube 520BT includes a USB-C charging cable.
Customize Your Listening Experience
Download the free JBL Headphones App to tailor the sound to your taste with the EQ. Voice prompts in your language guide you through the Tune 520BT features.
Up to 57 Hours of Battery Life
For long-lasting fun, listen wirelessly for up to 57 hours, and recharge the battery in as little as 2 hours with the convenient Type-C USB cable. A quick 5-minute recharge gives you 3 additional hours of music.
Hands-Free Calls with Voice Aware
Easily control your sound and manage your calls from your headphones with the convenient buttons on the earcup. Hear your voice while talking, with the help of Voice Aware.
Multipoint Connections
Multipoint connections allow you to effortlessly switch from one Bluetooth device to another. You can simply switch from a video on your tablet to a call on your mobile phone, so that you’ll never miss a call.
Lightweight and Comfortable
The lightweight materials and soft ear cushions with a padded headband make the headphones comfortable to wear for extended periods. The foldable design makes it convenient to carry your headphones anywhere or anytime you want to listen to your music.
Specifications
Headphone
| Earpiece Design | |
| Earpiece Swivel | |
| Earpiece Connection / Wearing Style | |
| Foldable | |
| Earpad Size | |
| Driver Type | |
| Driver Size | |
| Impedance | |
| Active Noise Cancellation | |
| Controls/Microphone Location | |
| Mobile App Compatible | |
| Sensors |
Performance
| Frequency Response | |
| Sensitivity | |
| Maximum Sound Pressure Level (SPL) | |
| Noise Attenuation |
Microphone
| Noise Cancelling Microphone | |
| Sensitivity |
Wireless Connectivity
| Wireless Modulation | |
| Bluetooth | |
| Bluetooth Profiles | |
| Frequency | |
| Bluetooth Transmitter Power | |
| Multipoint Support | |
| Maximum Paired Devices | |
| NFC | |
| Encryption |
Battery
| Battery Chemistry | |
| Capacity (mAh) | |
| Runtime | |
| Quick Charging Times | |
| Recharge Time | |
| DC Input Power | |
| Wireless Charging | |
| Charging Input |
Environmental
| Operating Temperature |
Physical
| Color | |
| Environmental Protection | |
| LED Indicator | |
| Dimensions |
Packaging Info
| Package Weight | |
| Box Dimensions (LxWxH) |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Keeping the crusty heels at bay!
Color: Cotton Gray, Size: Regular
I deal with chronic dry heels that crack if left unmanaged. I bought these in hopes that when I do soak and scrub my heels that I can keep the cracking at bay. These have been a godsend. I wear them every night and my heels are nice and soft. I plan on purchasing more.
A couple of things I have noticed, if I wear these during the day, the bottom of my feet do seem to sweat and there is some slipping. I have only washed these are directed (hand washing) and you will want to after a couple washes because it could give a sweaty feet smell. Overall, I highly recommend.
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Moisturized heels out of the box
Color: Fuzzy Lilac Purple, Size: Regular
Work without adding anything to your feet, but there are extra nice if you wanted to add a moisturizer to you heel and not get it all over your socks. Worth the money!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Transformative for Dry, Cracked Heels!
Color: Original Grey
I recently purchased Dr. Frederick's Original Moisturizing Heel Socks, and they have truly transformed the condition of my feet! I can’t recommend them highly enough.
Effective Moisturization: These socks are infused with moisturizing agents that work wonders. After just a few uses, I noticed a significant reduction in dryness and cracking on my heels. My feet feel softer and smoother, and I love that I can wake up to beautifully moisturized skin.
Comfortable Fit: The socks are incredibly comfortable to wear, with a snug yet gentle fit. I appreciate that they don’t feel restrictive, allowing me to walk around my home while wearing them without any discomfort. They are also lightweight, making them easy to slip on before bed.
User-Friendly: They are super easy to use—just wear them overnight, and let the socks do their magic. I love the simplicity of incorporating them into my nighttime routine.
Durable Quality: The quality of the socks is impressive. They wash well and have maintained their shape and effectiveness after multiple uses. I feel confident that they will last a long time.
Final Thoughts: If you're struggling with dry, cracked heels, I highly recommend Dr. Frederick's Original Moisturizing Heel Socks. They are a fantastic investment in foot care and have made a noticeable difference in the health of my skin. These socks have become a must-have in my self-care routine!
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Reviewed in the United States on October 4, 2024
★★★★★ 5
These worked for me!
Color: Original Grey
They worked great. I bought these for cracked sore heels. It took 2-3 weeks but my heels no longer hurt and the cracks have closed and look more like an indention than a crack now. They feel so much better, but I'll probably wear them another week just to be sure they stay healed. They look and feel like regular socks from the outside but only cover the heel with the toe open. Not think but not thick, again like regular socks. They would probably be slippery on a smooth surface the same as socks. The inside feels like rubber or something smooth at the heel. I have washed them once each pair and accidentally dried one pair in the dryer. They still seem to feel the same so I think they're fine. They're pretty inexpensive and had different colors and sizes.
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Reviewed in the United States on February 10, 2026
★★★★★ 4
Truly Helped My Cracked Heels
Color: Original Grey
I didn't include a photo cause they look exactly like their advertisement photo.
I so liked the silicon-type heel lining as it kept the heel-repair cream on my heel and did not get soaked up by the sock. But, it is so, so slippery when walking around in them! Take care to be mindful when you set each foot down as the lotion can slide your heel across the sock quite a bit. If these socks were for an elderly person, I would have them only sit while using the sock - no walking around for fear of falling.
I have larger ankles and found that having both the top and the bottom hems/elastic, etc. the same size to be quite troublesome and was not a nice feeling or fit on my upper hem that hit my ankle. Don't get me wrong, I am so glad that I got them and I continue to use them and they are helping my horribly-cracked heels greatly, but I find that I have to keep moving the top hem up and down so that it doesn't stay in one position as it cuts in to my ankle.
My feedback and advice might be to please make the upper hem somewhat larger than the one that is on the bottom and goes over my actual foot. They really should not be the same circumference...or else make different sizes - S, M, L, etc. That's really my only complaint or "con" to ordering these.
I think they are a great concept and I like the fact that I can throw them in the washer and dryer.
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Reviewed in the United States on June 8, 2024