If you want a reliable, high-speed charging solution to bridge the gap between your modern USB-C chargers and your older Lightning devices for essential work tasks, choose TechMatte USB C; if you need open-ear earbuds with long battery life and environmental noise cancellation specifically for staying aware during meetings while commuting or working out, choose Ugreen HiTune S3. These two products solve completely different problems, and comparing them directly requires looking past the brand names to understand exactly what each piece of hardware is engineered to do in a real-world setting. One is a passive accessory designed for power delivery and data synchronization, while the other is an active audio device built for comfort, clarity, and situational awareness.
• TechMatte USB C: Delivers robust 27W PD fast charging and secure data transfer with a durable aluminum alloy build, but it strictly limits functionality to charging and data, refusing to support headphones, OTG, or peripherals.
• Ugreen HiTune S3: Offers an incredibly lightweight, open-ear design with 30-hour playtime and AI-driven call noise cancellation, yet its open fit means no isolation from background noise and it lacks a dedicated app for customization.
• Best For: TechMatte fits anyone who needs to charge an iPhone or iPad quickly without carrying extra cables, while Ugreen is ideal for professionals who need hands-free audio clarity during meetings without blocking out their surroundings.
The TechMatte adapter is a straightforward tool for people who have upgraded their power sources but are still stuck with legacy Lightning devices. If you own an iPhone, iPad, iPod, or even AirPods that rely on the older connector, this adapter eliminates the friction of hunting for a specific cable. The core value here is the ability to use any USB-C cable—whether it connects to a laptop, a wall brick, or a car charger—to deliver up to 27W of power directly to your iOS device. This isn't just about convenience; it is about standardization. You stop needing a separate Lightning cable in your bag because you can simply plug a single USB-C cable into this adapter and get to work.
The build quality suggests a focus on longevity. The housing is made from aluminum alloy, which serves a dual purpose: it provides a premium metallic finish and acts as a heat sink to dissipate warmth during those high-speed 27W charging sessions. This is critical when pushing maximum power through a small connector, as overheating can degrade performance over time. The internal smart chip manages the voltage negotiation, ensuring that whether you are drawing 12W, 18W, or the full 27W, the connection remains stable. It also handles data transfer speeds up to 480Mbps, allowing you to move files between your computer and your phone efficiently.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-28 · 7 min read · Independent comparison
However, this product has very strict boundaries. It is not a multi-tool. The specifications clearly state that it does not support OTG (On-The-Go), meaning you cannot connect flash drives, keyboards, or card readers through it. It will not work with headphones, microphones, or game controllers. If your goal is to expand the connectivity of your device beyond power and file transfer, this adapter will disappoint. It is a singular-purpose device: getting power and data from a USB-C source to a Lightning port. It is perfect for the commuter who wants one cable for everything, but it offers no flexibility for peripheral expansion.
The Ugreen HiTune S3 earbuds are designed for a specific type of user: someone who values safety and situational awareness above all else. The open-ear design leaves your ear canal completely clear, which is a game-changer for commuters, runners, or anyone attending meetings in a shared space where they need to hear colleagues or traffic. The C-shape clip rests securely on the outer edge of the ear, weighing only 5.3 grams, making them nearly invisible and unnoticeable during long wear. Because they do not seal the ear, you never experience the "pressure" feeling common with in-ear buds, and you remain fully aware of your environment.
For professional use, the audio capabilities are surprisingly capable despite the open design. They feature 12mm dynamic drivers that deliver balanced sound, but the real standout feature is the Environmental Noise Cancellation (ENC). This technology uses AI to isolate your voice during calls, reducing sound leakage by 98%. This means that even in a busy coffee shop or a noisy office, the person on the other end of the line hears your voice clearly without the background hum of the room. With Bluetooth 5.4, the connection is stable up to 10 meters, and the latency drops to just 80 milliseconds in Game Mode, ensuring audio stays synced with video.
The battery life is another major selling point for heavy users. You get approximately 7.5 hours of continuous playback on a single charge, which easily covers a standard workday or a long meeting. The case extends this total to 30 hours, so you rarely need to worry about finding an outlet. A quick 15-minute charge via USB-C gives you 120 minutes of listening time, which is perfect for topping up before a sudden trip. The IPX5 waterproof rating ensures they can handle sweat during a workout or rain during a commute. However, users must be aware that these are touch-only controls with no physical buttons, and there is no companion app to tweak equalizer settings. They are simple, intuitive, and ready to use right out of the box.
• Best for Power Delivery → TechMatte USB C: With 27W PD support, it charges devices significantly faster than standard adapters, provided you have a compatible USB-C source.
• Best for Audio Clarity in Calls → Ugreen HiTune S3: The AI-driven ENC and directional microphone focus make it superior for professional conversations in noisy environments.
• Best for Situational Awareness → Ugreen HiTune S3: The open-ear design allows you to hear traffic, colleagues, and ambient sounds, which is impossible with closed-back headphones.
• Best for Cable Management → TechMatte USB C: It consolidates your charging setup by letting you use a single USB-C cable for both power and data across multiple devices.
• Best for Battery Endurance → Ugreen HiTune S3: A total of 30 hours of playtime means you can go days without charging the case, unlike most competitors that require daily charging.
• Best for Durability in Heat → TechMatte USB C: The aluminum alloy shell actively dissipates heat during high-wattage charging, protecting the internal chip better than plastic alternatives.
• Best for Active Lifestyles → Ugreen HiTune S3: The IPX5 rating and secure clip-on fit make them resilient against sweat and movement, whereas the TechMatte adapter is a static accessory.
• Best for Simplicity → Both: Neither requires complex software; the adapter works instantly upon plugging in, and the earbuds pair instantly via Bluetooth 5.4.
I would buy the Ugreen HiTune S3 for my daily routine, primarily because I spend a significant amount of time in hybrid work environments where I am constantly switching between deep-focus calls and navigating public transit. The ability to keep my ears open while maintaining crystal-clear call quality via the ENC feature is a non-negotiable requirement for me. While the TechMatte USB C adapter is a fantastic tool for keeping my devices powered, the Ugreen HiTune S3 enhances my actual productivity and safety during the day. For anyone looking for the best open ear earbuds for meetings, the HiTune S3 offers a unique balance of comfort, battery life, and voice clarity that closed-back designs simply cannot match. If you are torn between a power adapter and a set of headphones, remember that the HiTune S3 solves a human need for connection and awareness, whereas the TechMatte adapter solves a logistical problem of compatibility.
Yes, the Ugreen HiTune S3 features AI noise cancellation specifically designed to filter out background noise and reduce sound leakage, making it excellent for professional calls. The TechMatte adapter does not have audio capabilities.
No, the TechMatte USB C adapter is strictly for charging iOS devices like iPhones and iPads and for data transfer; it explicitly does not support headphones, microphones, or other peripherals.
You can expect approximately 7.5 hours of continuous playback on a full charge, with the charging case providing a total of 30 hours of battery life.
It supports up to 27W PD fast charging for compatible iOS devices like iPhones, iPads, and AirPods, but it does not support OTG functions or Android-specific protocols beyond basic charging standards.
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.