If you want rugged, travel-ready protection for your Beats Powerbeats Pro that keeps every accessory organized and safe from the elements, choose RLSOCO Carrying Case; if you need a fully functional replacement battery unit to restore power and charging capabilities to lost or damaged AirPods 3rd Generation earbuds, choose korllo Replacement Charging Case. These two products serve fundamentally different purposes in the audio ecosystem: one is an external shield designed for portability and durability, while the other is a critical internal component required to keep wireless earbuds running at all.
• RLSOCO Carrying Case: Its greatest strength is the heavy-duty EVA shell with shock-absorbing dividers and water resistance, making it ideal for commuters and travelers; however, it does not provide any power or charging functions of its own.
• korllo Replacement Charging Case: Its primary advantage is restoring full functionality to specific AirPods 3 models with USB-C and Qi wireless charging support, but it lacks the thick protective exterior needed for rough handling without an additional pouch.
• Best for: The RLSOCO pick fits those who already own their earbuds and prioritize physical security during daily commutes or gym sessions, whereas the korllo option is strictly for users whose original charging case has been lost or broken.
The RLSOCO Carrying Case is engineered for people who treat their audio gear as essential equipment that needs to survive a journey. Whether you are rushing to catch a train, heading to the gym, or simply navigating a busy city, this case offers a level of defense that standard plastic shells cannot match. The design focuses on "Grab & Go" utility, featuring a hard outer shell constructed from high-grade Ethylene Vinyl Acetate (EVA) that resists deformation and impact. This isn't just a soft sleeve; it is a protective fortress for your Beats Powerbeats Pro and their accessories.
Inside, the attention to detail shines through with a grey velvet lining and soft flannel layers that prevent scratches on your device. The inclusion of a shock-anti divider in the middle ensures that the charging case stays snug and doesn't rattle around when you toss it into a backpack or purse. For someone studying in a crowded library or working out in a packed gym, this level of organization means you never have to worry about your expensive earbuds getting crushed by books or gym weights. The compact size makes it easy to slip into a pocket or bag, and the included handle strap adds a layer of convenience for carrying it by hand when you are in a rush.
You should buy this case if you value long-term durability and want to ensure your earbuds remain pristine despite daily wear and tear. It is particularly well-suited for students or professionals who carry multiple items—like cables and extra tips—and need a dedicated space for them. However, if you are looking for a solution to charge your earbuds after losing the original case, this product will not help you; it is purely a storage and protection vessel. The eco-friendly materials and two-year warranty suggest a focus on quality construction that outlasts cheaper alternatives, making it a smart investment for anyone who wants their gear to last.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-28 · 6 min read · Independent comparison
In contrast to the external armor of the RLSOCO, the korllo Replacement Charging Case serves a vital life-support function for the AirPods 3rd Generation ecosystem. If you have lost your original charging case or it has stopped working, your earbuds quickly become useless paperweights unless you have a replacement like this one. This unit is not merely a container; it is the heart of the charging system, equipped with both USB-C wired charging and Qi wireless charging capabilities. This dual-mode support ensures that you can recharge your case using modern cables or place it on a compatible wireless mat, offering flexibility that matches the convenience of the original Apple experience.
The technical specifications highlight a focus on reliability and safety. The case features built-in over-charge, over-voltage, and over-temperature protection, which safeguards the battery health of both the case itself and your earbuds during extended use. With a Bluetooth pairing button physically integrated into the unit, setting up your connection is straightforward even if you are troubleshooting connectivity issues. The LED indicator provides clear visual feedback on charging status and pairing modes, so you always know exactly what your device is doing. Fully recharging the case takes approximately two hours, providing multiple recharges for your earbuds depending on how heavily you use them.
This product is exclusively for owners of AirPods 3rd Generation models (specifically A2897, A2566, A2565, A2564, or A2563). It is the perfect solution for students who rely on their headphones for deep-focus study sessions and cannot afford downtime due to a dead battery. The hybrid plastic enclosure is sleek and white, blending seamlessly with the aesthetic of the earbuds themselves. However, buyers must understand that this is a replacement component, not an accessory. It does not offer the same level of rugged, shock-proof protection as a dedicated carrying case, so you will still need to store it carefully. If your goal is to simply get your AirPods back to life and keep them powered throughout the day, this is the only path forward.
• Best for physical protection against drops and impacts → RLSOCO Carrying Case (Features EVA shell and shock-anti dividers).
• Best for restoring power to lost/damaged AirPods 3 → korllo Replacement Charging Case (Provides USB-C and Qi charging).
• Best for travel and organization of accessories → RLSOCO Carrying Case (Includes handle strap and dedicated compartments).
• Best for seamless wireless charging integration → korllo Replacement Charging Case (Supports Qi wireless mats).
• Best for users of Beats Powerbeats Pro → RLSOCO Carrying Case (Tailor-made fit with velvet interior).
• Best for users of AirPods 3rd Generation needing a new base → korllo Replacement Charging Case (Compatible with specific model numbers).
• Best for preventing scratches and dust accumulation → RLSOCO Carrying Case (Water-resistant and lined with soft flannel).
• Best for quick, reliable charging cycles → korllo Replacement Charging Case (Recharges fully in about 2 hours).
When I weigh these two options against the reality of keeping your audio gear functional and safe, the choice depends entirely on whether you have lost a part or just want better protection. For most students and professionals looking for the best rechargeable in ear headphones for studying, the korllo case is the absolute necessity if they are missing their charger; without it, the earbuds are dead weight. However, if your hardware is intact but you want the best wireless bluetooth earbuds for studying to be protected from the chaos of a dorm room or commute, the RLSOCO case is the superior choice. In my opinion, the RLSOCO Carrying Case wins on versatility because it enhances the longevity of your existing setup without replacing core components, making it the safer bet for general ownership. But remember, if your AirPods 3 case is gone, you have no choice but to grab the korllo.
No, the RLSOCO Carrying Case is designed strictly for storage and physical protection; it does not contain any batteries or charging circuitry to power your devices.
No, this replacement unit is specifically engineered for AirPods 3rd Generation models (A2897/A2566/A2565/A2564/A2563) and will not fit other generations.
Yes, the interior features a shock-anti divider and ample space to organize the charging case along with accessories like ear tips and cables.
According to the specifications, the korllo case fully recharges in approximately two hours using either USB-C or Qi wireless charging methods.
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