INSTRUCTIONS
On/Off Switch (Toggle Switch) When the switch is placed on the left side in the "OFF" position, the device turns off. When placed in the middle position, "☼", the device enters light mode (different flashing modes can be controlled by the 2 Adjustment Knob). When placed on the right side, "", the device enters sound-activated mode (the light flashes according to the sound frequency).
Adjustment Button Allows you to change light modes once turned on; press the button to toggle between different flashing patterns (e.g., steady, flashing, or sequential).
Clamping Ring It is used to connect and fix to the clasp of the ⑧ Neck Strap, lanyard, making it easier to carry the device while hanging.
Charging Indicator Light It turns on while charging and automatically turns off once charging is complete.
USB Type-C Port (Device Charging Port) Requires connection to the ⑦ USB Type-C Charging Cable to charge the device.
Cable Cover Protect the connecting cables, preventing damage or dust buildup; do not open them manually, as this may impair the cable protection or cause device failure. Do not disassemble.
Battery and Usage
Capacity: 300 mAh Li-ion rechargeable.
Charging time: ~1.5–2 hours. Battery life: up to 4 hours (flashing mode).
EL panel lifespan: 5000 hours.
Security
Do not use in the rain or immerse in water and keep away from fire and heat.
Do not disassemble and use only certified charging cables.
Keep out of reach of children.
Maintenance
Clean with a soft, dry cloth and do not use solvents.
Store in a cool, dry place.
Note on sound emission
This product may emit a slight humming noise during operation. This is a normal characteristic of electroluminescent (EL) technology and does not affect the product's quality, performance, or safety.
Warranty
2-year limited warranty against manufacturing defects. Does not cover misuse, accidents, water damage, or normal wear and tear.
Manufacturer: Positive Mindset Consulting Group, SL
Av. de las Cortes Valencianas 22, 1º 4ª, 46015 Valencia, Spain
Made in China
This product complies with applicable EU directives.
EU Declaration of Conformity: www.officialcrests.com/CE
Contact:customersupport@officialcrests.com
Version 1.0 / October 2025
