How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a single wall charger and USB-C cable that fast-charges a whole shelf of JBL speakers and Type-C earbuds, choose hafiuege USB C Charger; if you need a Lightning splitter that lets you fast charge an iPhone while listening on wired 3.5mm headphones, choose Seulliya Apple MFi Certified. These two look similar in a search bar because both are "charging" accessories, but they solve completely different problems — one is a power source for USB-C audio gear, the other is an audio-plus-power adapter for Lightning iPhones. In my opinion, most shoppers who land on this comparison only need one of them, and the deciding factor is the port on the device you actually own.
• hafiuege USB C Charger — biggest strength: a complete 10W USB-C charging kit (adapter plus 6.5FT cable) built for JBL speakers and other Type-C audio devices, with a long reach and a long compatibility list.
• hafiuege USB C Charger — biggest trade-off: it is strictly USB-C. It will not fit Micro-USB gear, and it explicitly does not work with older JBL models like Flip 4/3/2, Charge 3, Clip 3, Pulse 3, Xtreme or Boombox.
• Seulliya Apple MFi Certified — biggest strength: a 2-in-1 Lightning adapter that passes through charging and audio at the same time, with MFi certification, a built-in DAC for up to 24-bit/48kHz lossless output, and a 2-pack.
• Seulliya Apple MFi Certified — biggest trade-off: it only makes sense if you still use wired 3.5mm headphones on an iPhone or iPad. If you have fully gone wireless, there is nothing here for you.
• Who each pick is for: hafiuege for someone charging JBL Flip/Charge speakers or USB-C earbuds; Seulliya for an iPhone owner who wants to charge and listen through wired headphones at once.
The hafiuege charger is a 10W Type-C power setup. Output is 5V 2A, input is 100-240V at 50-60Hz, and the package is an AC adapter plus a 6.5FT (2M) cable. That 6.5-foot length matters more than it sounds: a speaker on a kitchen counter, a nightstand or a garage shelf can stay plugged in while you keep using it, instead of being tethered a foot from the wall outlet. The plug is a North American Type A two-pin, and the single USB port is Type-C on the device end.
Where it earns its place is compatibility with USB-C audio gear. The list covers JBL Charge 4 and 5, Flip 5 and 6, Clip 4, Pulse 4, Go 3, Extreme 3, Tuner 2, Jr Pop, and Endurance Peak and Peak II — plus Beats Flex, Studio Buds and Fit Pro, and a long tail of Type-C phones like Galaxy S8/S7, LG G5/G6/V10/V20, Huawei P9/P10/Mate 9, HTC 10, Pixel, Nexus 6P/5X, and even Verizon MiFi hotspots. It also states CE, FCC and RoHS certification plus an intelligent protection system covering overcurrent, overvoltage, overload and short-circuit protection. One thing the data sheet is refreshingly blunt about: this is not a universal JBL charger. Flip 4, Flip 3, Flip 2, Charge 3, Clip 3, Pulse 3, Xtreme and Boombox are all listed as not fitting, because those use older connectors. Check your speaker's port before buying.
So who should buy it? Anyone whose speaker, earbuds or phone charges over USB-C and who wants one spare adapter-and-cable set that lives in a bag or by the couch. Who should skip it? Owners of the older Micro-USB JBL models above, and anyone expecting fast-charge wattage beyond 10W — this is a 10W supply, full stop.
The Seulliya adapter attacks a very specific iPhone annoyance: the moment you want to charge and listen to wired headphones at the same time, and you only have one Lightning port. This splitter gives you both. You plug it into the iPhone, then connect a 3.5mm headphone or aux cable and a charging cable simultaneously. The data sheet notes it needs a compatible 20W or higher PD charger to charge at full speed, which is a detail worth remembering — the adapter passes power through, it does not generate it.
The audio side is where it gets interesting for anyone who cares about sound. Seulliya built in a digital-to-analog converter supporting up to 24-bit/48kHz lossless output, so the phone's digital signal is converted inside the adapter rather than relying on a cheap passthrough. It is MFi certified, which is the point of the product name — that certification is what keeps the "this accessory is not supported" pop-up away and keeps play/pause/volume controls working. Setup is plug-and-play with no app.
Compatibility spans iPhone 14, 13, 12, 11, X, XS, XR, 8, 7, SE and older, plus iPad Pro, iPad Air and iPad mini. It ships as a 2-pack, which is genuinely useful here — one for the car or bag, one for the desk. Durability is addressed in the spec sheet too: a flexible TPE strain relief rated for over 20,000 insertion/removal cycles and repeated 180-degree bends.
Who should buy it? iPhone owners who still love wired headphones, use an aux cable in an older car, or do mobile recording and want lossless playback while staying charged. Who should skip it? Android users (this is Lightning only), and anyone who has fully moved to Bluetooth — you would be buying a splitter for a cable you never plug in.
Side-by-Side: Which Should You Choose?
• Best for iPhone owners juggling charging and wired listening → Seulliya Apple MFi Certified. It is the only one of the two that gives you power and 3.5mm audio at once.
• Best for audio quality on wired headphones → Seulliya Apple MFi Certified. The built-in DAC and 24-bit/48kHz lossless support are the differentiators; hafiuege is a power accessory and makes no audio claims beyond charging.
• Best for cable reach → hafiuege USB C Charger. A 6.5FT cable is included; the Seulliya adapter is a compact dongle, so you supply your own headphone and charging cables.
• Best for durability in daily plugging → Seulliya Apple MFi Certified. The 20,000-cycle and 180-degree bend testing is spelled out in its spec sheet.
• Best for safety-minded buyers → hafiuege USB C Charger. Overcurrent, overvoltage, overload and short-circuit protections plus CE, FCC and RoHS certification are all listed.
• Best for two-device households → Seulliya Apple MFi Certified. It comes as a 2-pack; hafiuege includes one adapter and one cable.
• Best for non-Apple Type-C phones → hafiuege USB C Charger. It lists Galaxy, LG, Huawei, HTC, Pixel and Nexus models, which the Lightning-only Seulliya cannot serve.
If I had to pick one for the search phrase that brought most people here — fast-charging headphones — I would buy the hafiuege USB C Charger. It is the product that actually feeds power to headphones and speakers, and the 10W Type-C output plus 6.5FT cable covers the everyday case of keeping a JBL Flip or a pair of Type-C earbuds topped up. That said, if you are an iPhone user who still reaches for wired headphones and hates choosing between music and battery, the Seulliya adapter is the smarter buy — it solves a problem hafiuege cannot touch. Check the current price on Amazon for whichever one matches your port.
FAQ
how to charge headphones faster
Use a charger that matches your headphones' input and a cable that fits the port. The hafiuege charger delivers a fixed 5V 2A (10W) over USB-C, so for Type-C headphones it supplies the full 10W the adapter is rated for. Charging speed ultimately depends on what your headphones accept — a 10W supply cannot push beyond the device's own limit.
Plug the cable into the headphones' charging port, connect the other end to a power source, and let it sit until the indicator shows full. With hafiuege, that means the Type-C connector into the earbuds or speaker and the adapter into a wall outlet. With an iPhone and wired headphones, the Seulliya splitter lets you charge through Lightning while your 3.5mm headphones stay connected.
how to fast charge bose headphones
The principle is the same as any other brand: match the charger to the headphone's port and supported input. If your Bose headphones charge over USB-C, a 5V 2A Type-C supply like the hafiuege adapter is a reasonable fit. If they use Micro-USB or another connector, this particular charger will not fit — the data sheet is clear that it is Type-C only.
is fast charging bad for headphones
Not inherently. Headphones draw only what their charging circuit is designed to accept, and a charger with overcurrent, overvoltage, overload and short-circuit protection — which the hafiuege spec sheet lists — is built to cut off safely. The bigger practical risk is using a cable or connector that does not match your device's port.
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.
See also: BOUTOP MFi Certified 27W vs JMDDS USB Charger Charging, Acer OHW328 vs IIOZO Apple MFi Certified: Wired Headphones, Seulliya USB C vs LUDOS OMNITONE USB C: USB C Headphones