How to attach a Bluetooth tracker to almost anything

Knowing how to attach a Bluetooth tracker to the thing you keep losing is usually more of a problem than the tag itself. Keys are easy. A tool case, a bike frame, a pushchair or a coat with no loop on it are not. Here are six methods that genuinely hold, what each one suits, and the surfaces where any of them will quietly ruin your range.

How do I attach a tracker to keys?

Through the moulded hole, on its own split ring, and not crammed onto the ring that already holds six keys. That is the whole method, and it takes ten seconds.

The reason for the separate ring is wear. A tag swinging against a bunch of steel keys gets scuffed and, worse, spends its life pressed flat against metal, which is the one thing that genuinely costs you range. A second small ring gives it a centimetre of air and stops the case rubbing.

Our complete guide to tagging keys covers where keys actually end up and why that matters more than the attachment.

How do I attach a tracker to a bag with no loop?

Three options, in increasing order of permanence.

1. Clip it to an internal zip pull. Almost every bag has one. You should end up with the tag hanging free inside a pocket rather than pressed against the back panel.
2. Use a small carabiner through a seam. A 25 mm accessory clip from any hardware shop threads through the webbing loop most rucksacks have inside the lid.
3. Sew it into the lining. Make a slit a few centimetres long in the lining fabric, slide the tag in flat, and close it with a few stitches of waxed thread. When you are done the outside of the bag should look untouched, which is exactly the point if the bag is ever stolen.

Can I stick a Bluetooth tracker to something?

Yes, and double-sided foam tape is better than superglue for it. Foam tape has give, so the bond survives vibration and thermal movement; a rigid glue line cracks and lets go.

The method that lasts:

1. Clean the surface with isopropyl alcohol and let it dry. Grease is why adhesive mounts fail, not the adhesive.
2. Cut the tape slightly smaller than the tag's footprint so no edge is exposed to be picked at.
3. Press hard for thirty seconds. You should see the foam compress evenly.
4. Leave it for a day before it takes any load. Most tapes reach full strength over about 24 hours.
5. Keep the battery door reachable. If you have glued the tag down by its own back cover, you have made the cell unchangeable — mount it face-down and cover-out instead.

How do I attach a tracker to a bike, a pushchair or a trailer?

Under something, never on top of it. A tag cable-tied to the underside of a saddle, inside a frame bag, beneath a pushchair seat or up inside a trailer's chassis rail is both weather-protected and invisible to a five-second sweep.

Two cable ties crossed over the tag hold it far better than one, and a scrap of inner tube underneath stops it rattling and adds a little standoff from metal. On a bike the classic placement is inside the saddle bag you already carry; on a pushchair it is the zipped pouch under the seat.

For anything left outdoors, the IP rating stops being a specification and starts being the whole point. Our explanation of what IP67 covers sets out what rain and immersion actually do.

What should I never attach it to?

Bare metal, curved metal, and anything you are going to put inside a sealed metal box.

A 2.4 GHz radio needs some air around it. Lay a tag flat against a steel toolbox lid, a cast-iron gate, an aluminium flight case or the inside of a van's wheel arch and you will lose most of your range without any warning on screen — the tag still works, it is simply not being heard. If metal is unavoidable, get a few millimetres of standoff between the tag and the surface with a rubber pad or a strip of foam, and put it near an edge or a plastic panel rather than in the centre of a steel face.

The other one to avoid: a hot windscreen shelf. Coin cells lose capacity when they are cooked and again when they are frozen, and a dashboard in August does both by Christmas.

How do I attach a tracker without it rattling or falling off?

Whatever the method, run these three checks a week later, because everything works on the day you fit it.

1. Shake it. Hold the object and shake it hard for five seconds. Anything you can hear moving will work loose eventually.
2. Ring it from another room. You should still hear it clearly. A muffled sound means it has shifted somewhere worse.
3. Check the range from the front door. If you could connect from the pavement last week and cannot now, the tag has moved behind something.

How BlueTag mounts

BlueTag has the key ring hole moulded through the case rather than glued on, so the most common attachment needs no accessory at all — and two split rings come in the box with the pair of tags. Its footprint is 36.3 × 36.3 × 9 mm at roughly 10 g — small enough to sit beneath a foam tool insert or inside a lining without showing, and light enough that a zip pull carries it without sagging.

The back twists off for the CR2032, so leave that face accessible whichever method you choose; a cell lasts up to two years and then wants changing rather than binning. IP67 sealing covers the outdoor mounts above. And the compatibility line that governs all of it: this is an Apple Find My accessory for iPhone and iPad on iOS 14.5 or later, with up to 60 m / 200 ft of Bluetooth link and the Find My network past that — there is no Android support and no Ultra Wideband arrow. Two tags, free UK delivery, under £15 a box: see the specification and the contents.