Listings mention Bluetooth (Bluetooth 5.4 LE), Wi‑Fi, radio frequency, GPS, cellular network connectivity, and ultra‑wideband (UWB) for location assistance.
Common options include key rings and lobster clasps for keys and bags, adjustable straps and sturdy keychain rings for luggage, and strong mounts or magnets for attaching trackers to vehicles or equipment.
Bluetooth 5.4 LE trackers in these listings cite connection ranges of up to about 20 meters indoors and up to about 50 meters outdoors.
Some listings include ingress ratings: one luggage/keychain tracker lists IP66 (dust and water resistant), and a standalone tracker listing shows IP67 waterproof rating.
Examples in the results vary: luggage‑style trackers are shown at about 0.2 × 2.2 × 3.5 inches with a listed weight around 1.48 pounds; keychain trackers are shown at about 0.4 × 1.5 × 2 inches and weights as light as 0.03 pounds, and one keychain is described as about 1.34 inches square and 14.3 g. Sizes and weights differ by model.
