B300/B500 Rechargeable Personal Alarm Keyring with LED
Keep an audible signal within reach when you want to attract nearby attention. This rechargeable personal alarm keyring combines a pull-pin and SOS-button trigger with an LED light. It is for everyday carry, with separate B300 local-alarm and B500 app-enabled options.
- ✅ Signal when you need attention — Pull the pin or press the SOS button twice to activate the alarm.
- ✅ Find a keyhole in low light — The built-in LED provides a small local light.
- ✅ Keep it accessible on a bag — A keyring clip attaches the compact body to a suitable loop.
- ✅ Recharge between outings — The internal battery charges through USB rather than requiring routine disposable-cell replacement.
Choose local-only or app-enabled operation
B300 provides the local sound and light functions. It is available in Pink, Black, White and Blue. B500 is listed here in White and adds Tuya/Smart Life app functionality; those connected functions do not apply to B300.
B500 app alerts require a compatible phone, pairing, permissions and working connectivity. They must not be treated as independent cellular calling, guaranteed location tracking or a guaranteed emergency response. Practise the actual controls and check battery charge before relying on everyday carry.
The alarm can draw attention, but it does not detect danger or prevent an incident. Keep it away from ears during testing. IP44 is stated; do not immerse it. One selected alarm and a USB cable are specified; phone and mains adapter are excluded.
Choose one model and colour, not every pictured alarm.
IP44 is stated; do not immerse the device.
The LED provides local light rather than guaranteed wide-area illumination.
Recharge the internal battery with the USB connection.
Check the controls and battery before everyday carry.
Check the selected model rather than assuming identical battery capacity.
Connected features apply only to B500.
App features require compatible setup and connectivity.
Pull-pin and double-press SOS are the stated activation methods.
App-based location information is not independent guaranteed tracking.
B300 does not have B500 app functions.
Notifications depend on the configured phone and service.
Contact sharing requires app setup.
The clip, SOS button and light are separate physical controls.
Colour choices are individual variants.
Packaging style may vary.
One selected alarm is supplied; phone is excluded.
Technical details
- Models: B300 local alarm; B500 app-enabled alarm
- B300 colours: Pink, Black, White or Blue
- B500 colour option: White
- Activation: pull pin or double-press SOS button
- Light: LED with lighting/flash modes stated
- Charging: USB; internal rechargeable battery
- Ingress rating stated: IP44; no immersion
- Approximate body dimensions stated: 70 × 36 × 17 mm
- Package: 1 selected alarm and USB cable
- Exclusions: phone and mains adapter
Choose the model you can set up and carry accessibly, then familiarise yourself with its sound and light controls.
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