PRIMEPLUS - MD528 Ultra-Thin Invisible Bluetooth Earbuds, Lightweight, 10.4mm Slim Design, BT 5.3, LED Display, HD Voice - White
About this product
Experience ultimate comfort and true invisibility with the MD528 Ultra-Thin Bluetooth Earbuds. Engineered for those who demand both style and seamless functionality, these featherlight earbuds weigh only 3.2g combined and feature a groundbreaking 10.4mm ultra-slim profile—making them nearly undetectable when worn. Whether you're catching up on sleep, grinding through work, or enjoying your favorite tunes on the go, the biomimic curved design ensures zero pressure, even when lying on your side. Equipped with advanced BT 5.3 technology, HD voice clarity, and a smart LED digital display, the MD528 isn't just an earbud—it's your all-day, all-night audio companion.
Color
WhiteUltra-Thin & Invisible Design
Measuring just 10.4mm thick, these earbuds are roughly half the size of standard models, allowing them to virtually vanish in your ear. They deliver a discreet, low-profile look that's perfect for sleeping, focused work, or all-day wear without drawing attention.
Featherlight Comfort
With a combined weight of only 3.2g, these earbuds are lighter than a coin and barely perceptible once in place. The ultra-light build ensures lasting comfort, even during extended use or while lying on your side.
Sleep-Friendly & Side-Sleeper Approved
Designed with a biomimetic curved surface, the earbuds contour naturally to your ear canal. This ergonomic shape eliminates pressure points and discomfort, making them an excellent choice for side sleepers and overnight wear.
Advanced BT 5.3 + HD Voice
Powered by Bluetooth 5.3, these earbuds offer a stable, low-latency connection and enhanced signal reliability. Coupled with HD voice technology, they produce crystal-clear calls and balanced sound, whether you're in meetings, at the gym, or chatting late into the night.
Smart LED Display & Reliable Battery Life
The charging case features a digital LED battery indicator, giving you real-time visibility of your power level at a glance. Combined with ultra-long standby performance, this setup reliably supports all-day listening and daily use.
- Connection TypeWirelessWireless ConnectivityBluetoothTrue WirelessYesHeadphone FitIn-Ear
Reviews
Rating 3 out of 5 stars with 1 review
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Compare similar products
Experience ultimate comfort and true invisibility with the MD528 Ultra-Thin Bluetooth Earbuds. Engineered for those who demand both style and seamless functionality, these featherlight earbuds weigh only 3.2g combined and feature a groundbreaking 10.4mm ultra-slim profile—making them nearly undetectable when worn. Whether you're catching up on sleep, grinding through work, or enjoying your favorite tunes on the go, the biomimic curved design ensures zero pressure, even when lying on your side. Equipped with advanced BT 5.3 technology, HD voice clarity, and a smart LED digital display, the MD528 isn't just an earbud—it's your all-day, all-night audio companion.
Fall asleep faster and stay asleep longer — even on your side. The Soundcore Sleep A20 combines noise masking with an ergonomic fit designed specifically for side sleepers. Ultra-soft material wraps the entire contact area, while the Air Wing distributes pressure so you wake up rested, not sore. With up to 14 hours of battery per charge — 80 hours with the case — and a customizable sound library in the app, everything about the Sleep A20 is built for one thing: uninterrupted sleep.
TOZO T6 True Wireless Earbuds deliver immersive sound powered by OrigX 2.0—deep bass down to 18Hz with clear mids and crisp trebles. Lighter and more compact than ever, the ergonomic buds fit so comfortably you'll forget they're in. Enjoy up to 12 hours per charge, 50 hours total with the case, and IPX8 waterproofing for sweat, rain, and full immersion. Bluetooth 5.3 ensures fast pairing and stable connections, while AI Clear Call noise reduction keeps your voice sharp anywhere. The case fully charges in ~55 minutes via USB-C or under 2 hours wirelessly. The TOZO app offers 32 EQ presets plus smart AI tools: 30 minutes of free monthly real-time translation, 60 minutes of free AI voice chat, 60 minutes of meeting recording, and unlimited AI text chat, image-to-text, proofreading, content simplification, and enrichment. Built for workouts, travel, and daily life, the TOZO T6 pairs powerful sound, long battery, reliable waterproofing, and intelligent features—the perfect everyday upgrade for audiophiles.
TOZO NC9 Hybrid Active Noise Cancelling Bluetooth 5.3 in-ear earbuds feature 45dB hybrid ANC to eliminate external distractions and a practical Transparency Mode to let in ambient sound for safe outdoor activities. Equipped with 10mm drivers, OrigX Acoustic 2.0 and Bass+ Acoustics technology, they deliver deep punchy bass, balanced detailed stereo sound, and low-latency performance for synchronized gaming and video playback. Built with six-mic ENC call noise reduction, the earbuds effectively filter background noise to ensure crystal-clear calls and online meetings in noisy environments. Designed with an ergonomic fit and six sizes of replaceable ear tips, they provide secure, pressure-free all-day comfort for long wear. Customize your audio via the TOZO App with 32 EQ options, adjustable noise control modes, global EQ sharing and smart firmware updates. The earbuds feature IPX8 nano-coated waterproof protection to resist sweat, rain and splashes for daily workouts and active use. Stable Bluetooth 5.3 connectivity offers reliable signal transmission within 15 meters, while the 60-hour total battery life and intuitive LED power display deliver long-lasting usage. Additionally, the TOZO App integrates powerful free AI functions monthly, including 30 minutes of real-time and simultaneous translation, 60 minutes of AI voice chat, and 60 minutes of meeting recording, plus unlimited access to text chat, image-to-text conversion, wording proofreading, text simplification and content enrichment tools. Perfect for commuting, travel, remote work, outdoor sports and daily entertainment.
| Pros for PRIMEPLUS - MD528 Ultra-Thin Invisible Bluetooth Earbuds, Lightweight, 10.4mm Slim Design, BT 5.3, LED Display, HD Voice - White | |||
|---|---|---|---|
| There were no pros for this product— | Sound Quality, Battery Life, Comfort, Fit, Sleep Tracking | Battery Life, Sound Quality | There were no pros for this product— |
| Cons for PRIMEPLUS - MD528 Ultra-Thin Invisible Bluetooth Earbuds, Lightweight, 10.4mm Slim Design, BT 5.3, LED Display, HD Voice - White | |||
| There were no cons for this product— | Connectivity, Case Design, Volume Control | There were no cons for this product— | There were no cons for this product— |
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