Two magnetic USB-A charging cables for wearables whose two charging contacts sit 7.62mm apart, centre to centre: a spare for the gym bag and one for the bedside.
The 7.62mm figure is the distance between the centres of the two charging contacts on the back of the device. Get that number right and the cable snaps on first time; get it wrong and the magnets may grab the case while the pins touch nothing.
A magnetic charger only works when its two spring pins line up with the two metal dots on the watch. The standard sizes in budget wearables differ by a few millimetres, so a guess is not good enough. 7.62mm is a wide spacing, exactly 0.3 inch, and it tends to show up on kids' smart watches, some trackers, smart glasses and bone-conduction headphones.
Measure it in under a minute:
Magnets inside the head pull it into place, which also sets which way round it sits. If it only clings at an angle or keeps sliding off, the spacing is off, and forcing it will not help.
Watches that pair with FitPro-style apps use several different pin gaps. A side-by-side of the common sizes lives in the charger guide, and the 2.84mm cable covers the ID205L family of watches.
| Spec | Value |
|---|---|
| Connector | 2-pin magnetic pogo head |
| Pin pitch | 7.62mm (0.3 in) centre to centre |
| Plug | USB Type-A |
| Pack | 2 cables |
| Cable length | 100cm (3.3 ft) or 60cm, depending on version |
| Input | 5V USB |
| Alignment | Built-in magnets snap the head onto the contacts |
| Protection | Over-heating, over-voltage, over-current and short-circuit |
| Materials | ABS and PVC composite |
| Works with | Smart watches, kids' smart watches, fitness trackers, smart glasses, bone-conduction headphones |
| Power sources | Laptop, wall adapter, power bank, desktop USB port |
| Use | Indoor charging |
| Part numbers | Vanjua 2 Pin 7.62mm Magnetic Charger-01; Amkixzp HYS-762cable-0608 |
A charging habit is part of a fitness habit. When the watch dies on a Wednesday, the step streak breaks, the sleep log goes blank and motivation dips with it. Two cables in one box make it easier to charge wherever you happen to be.
Each pack holds two identical USB-A cables. Split them between the places you spend the most time:
Both ends are simple. The USB-A plug fits laptop ports, wall adapters, power banks and desktop USB sockets, and the cable runs at the standard 5V that USB supplies. A small phone-style adapter is all you need at the wall; there is no benefit to a high-wattage fast-charger brick for a watch battery.
| Version | Cable length | Best spot |
|---|---|---|
| 2-pack, 1m | 100cm (3.3 ft) | Bedside, desk, sofa |
| 2-pack, 60cm | 60cm | Power bank, laptop, travel pouch |
The metre-long version reaches from a wall socket to a nightstand without the watch dangling. The 60cm version coils up smaller and suits a power bank in a backpack pocket, where extra length only tangles.
Kids' smart watches benefit most from the second cable. One can stay by the bed for the nightly charge while the other lives in a school bag or at a grandparent's house, so a forgotten charger never leaves the watch dark for a week.
Pick a charging moment and stick to it: while you shower, during breakfast, or on Sunday evening for long-battery watches. Tying the charge to something you already do means the watch is always ready for the next workout.
Magnetic charging heads are simple parts, and most charging faults come from dirt rather than a broken cable. Sweat, sunscreen and hand cream leave a film on the watch contacts, and salt from sweat slowly dulls them.
A two-minute routine keeps both ends working:
Both versions are built from an ABS and PVC composite, which stays flexible for everyday coiling. Protection circuits guard against over-heating, over-voltage, over-current and short circuits, which matters when a watch sits on charge overnight.
When the watch shows no charging icon, work through the simple checks first. Try the second cable from the pack to rule out a fault, try another USB port, then clean the contacts again. If the head attaches but nothing happens, the device may use a different pitch after all, so measure once more.
These cables are rated for indoor use, and the magnets are strong enough to collect metal dust. Keep them in a pouch or drawer rather than loose in a toolbox. A watch that refuses to power up even on a known-good cable needs the steps in the not-turning-on fixes.
Both versions share the same 7.62mm head, USB-A plug and two-cable pack, so the real choice is length. After that, the question is whether 7.62mm is the right cable at all.
Pick the version by where it will live:
If your measurement came out different, one of the other pin sizes will fit instead:
| Pin gap | Typical watches | Cable |
|---|---|---|
| 2.84mm | ID205L, ID205U, ID205S-style watches | 2.84mm 2-pack |
| About 4mm | Many Da Fit and GloryFit watches | 4mm universal |
| 2.8mm, polarity pair | FitCloudPro watches | Model A + Model B pack |
The 7.62mm head is noticeably wider than the others, which makes a mix-up easy to spot on the device. If the two dots on your watch sit close together, near the heart-rate sensor, this cable is not the one.
Families with several wearables can end up with a drawer of look-alike cables. Label each one with a strip of tape marked with its pin gap, and a flat battery on a school morning becomes a ten-second fix instead of a hunt. The wide 7.62mm head is the easiest of the set to tell apart, so it is a good place to start the system.
Three checks before you order:
Get those right and a spare cable becomes the cheapest insurance your step streak can have.
Measure from the centre of one charging dot to the centre of the other. A reading of about 7.6mm, or 0.3 inch, means this cable fits.
Yes. Any USB-A port or adapter works, including laptops and power banks; the cable runs on standard 5V USB power.
Both are 2-packs with the same 7.62mm magnetic head. One has 1m cables, the other 60cm cables.
Clean the contacts, try the second cable and another USB port, then re-measure the pin gap. A mismatched gap is the most common cause.
