We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-20 · 7 min read · Independent comparison
If you want a smartwatch and wireless earbuds that live in one device — with health tracking, calls on your wrist and a two-strap kit in the box — choose iPhanmis X10; if you need over-ear headphones with active noise cancellation, a 15-hour battery and an officially licensed Slytherin design, choose iJoy Harry Potter Slytherin.
• iPhanmis X10 — biggest strength: A genuine two-in-one. The TWS earbuds store and charge inside the watch band, so you carry a watch, a fitness tracker and a pair of Bluetooth earbuds as a single object.
• iPhanmis X10 — biggest trade-off: It's a hybrid, so it's not the last word in any one job. The display is a modest 1.39-inch round panel, there's no GPS, and water resistance is listed at just 1 meter.
• iJoy Harry Potter Slytherin — biggest strength: Purpose-built audio. Over-ear dynamic drivers, a 20Hz–20,000Hz range, hybrid noise cancellation and a 15-hour battery — plus an officially licensed Slytherin look.
• iJoy Harry Potter Slytherin — biggest trade-off: It does exactly one thing. No health tracking, no screen, no app ecosystem — and it leans on Bluetooth 4, an older wireless generation than the X10's Bluetooth 5.0.
• Pick iPhanmis X10 if you want one gadget that covers calls, workouts, sleep tracking and music on the move.
• Pick iJoy Harry Potter Slytherin if you mainly want comfortable over-ear listening, noise cancellation and house pride you can wear.
The X10 is built around a clever piece of design thinking: the earbuds don't live in a separate charging case, they slot into the side of the watch and charge there. According to the specs, that gives you roughly two to three charge cycles from the watch band itself — which means one item to remember in the morning instead of two, or three. The package also includes two straps, stainless steel and silicone, so you can swap between a dressier metal look and something sweat-friendly without buying anything extra.
As a watch, it's a round 1.39-inch 360×360 touch display in a glass-and-zinc-aluminium-alloy shell, with a 240mAh battery and real-time vibration alerts. The feature list is broad: heart rate, SpO2, sleep monitoring, pedometer, calories, mileage, multi-sport modes, weather, alarm, sedentary reminder, stopwatch, remote camera shutter and call answer/reject over Bluetooth. Message notifications cover SMS, QQ, WeChat, Skype, Facebook, Twitter, WhatsApp, Line and Viber, and the interface speaks 26 languages. Pairing runs through the FitCloudPro app on Android 4.4+ or iOS 8.0+.
iJoy Harry Potter Slytherin: Who It's For
This is a pair of over-ear Bluetooth headphones first and a piece of fan merchandise second — which is the right order. The earcups use a plastic-and-fabric build at 5 ounces, so they're light enough for long sessions, and the over-ear shape is the kind that spreads pressure around the ear rather than pressing on it. Inside, dynamic drivers cover a 20Hz–20,000Hz frequency range, and there's hybrid noise cancellation to cut down the drone of a bus, a plane cabin or an open-plan office.
Controls are touch and voice, with a built-in microphone for hands-free calls and the usual transport set: play/pause, answer/hang-up, equalizer, next track/volume up, previous track/volume down. Battery life is listed at 15 hours with a 2-hour charge time, and the 33-foot Bluetooth range is normal for this class. There's also a 3.5mm jack, so you can run it wired when the battery runs down — a genuinely useful fallback that a lot of wireless headphones skip. In the box: the headphones, a cable, a USB charging cable and a manual, backed by a 1-year manufacturer warranty.
Who should buy it: Slytherin fans, gift shoppers, students, and anyone who wants one comfortable pair of over-ears for music, calls and study sessions. The design is officially licensed, so the house theming is the real thing rather than a knock-off print. Who should skip it: if you want workout headphones, over-ear cups get hot and there's no water-resistance rating listed. If you want the newest Bluetooth generation, note this runs Bluetooth 4 rather than 5.0. And if you were hoping for a screen or fitness data, this simply isn't that product.
Side-by-Side: Which Should You Choose?
• Best for all-day carry → iPhanmis X10. Watch, earbuds and charging case in one object, with two straps included.
• Best for battery headroom on audio → iJoy Harry Potter Slytherin. 15 hours per charge is the headline figure here; the X10 lists a 240mAh watch battery plus a few earbud top-ups from the band.
• Best for health and activity tracking → iPhanmis X10. Heart rate, SpO2, sleep monitoring, pedometer, calories and multi-sport modes — the iJoy has none of that.
• Best for calls on the move → iPhanmis X10. Answer and reject from the watch, or double-tap the earbud; the iJoy handles calls too, but only at the headphones.
• Best for gifts and fandom → iJoy Harry Potter Slytherin. Officially licensed house styling and a 1-year manufacturer warranty make it the easier present to give.
• Best for wired fallback → iJoy Harry Potter Slytherin. The 3.5mm jack means it still works with a flat battery.
• Best for newer wireless tech → iPhanmis X10. Bluetooth 5.0 for phone pairing versus the iJoy's Bluetooth 4.
In my opinion, most people reading this comparison should buy the iPhanmis X10. It solves a problem the iJoy can't: it replaces three things you'd otherwise juggle — watch, fitness band and earbuds — with one item, and it adds heart rate, SpO2, sleep data and message notifications on top. I'd only steer you to the iJoy Harry Potter Slytherin if listening quality is your priority, if you want noise cancellation, or if the Slytherin design is the whole point of the purchase. If you're buying for a fan, the iJoy is the more personal gift; if you're buying for yourself and want maximum daily usefulness, the X10 wins. Check the current price on Amazon before deciding, since that's the one variable this page can't speak to.
It depends on what you're replacing. If you'd otherwise buy a watch and earbuds separately, the X10's two-in-one design covers both jobs and adds health tracking. If you only want headphones, the iJoy is the more focused product and gives you over-ear drivers, noise cancellation and a 15-hour battery.
Do the iJoy Harry Potter Slytherin headphones have noise cancellation?
Yes — the specs list hybrid noise cancellation, which is the type that uses microphones inside and outside the earcup. That makes them a reasonable choice for commuting, flights or shared offices. The iPhanmis X10 has no noise-cancellation spec listed.
The iPhanmis X10, in my opinion. It's lighter on the wrist, tracks steps, calories and heart rate, and the silicone strap is the one to fit for workouts. The iJoy is over-ear with no water-resistance rating listed, so sweat and movement are less friendly to it.
Yes. You install the FitCloudPro app and pair the watch through it, on Android 4.4 and above or iOS 8.0 and above. The iJoy headphones pair directly over standard Bluetooth, and they also work through a 3.5mm cable.
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