ESMARTER COB Keychain LED Work Light – 800 Lm, 5 Modes, USB-C
ESMARTER COB Keychain Work Light – Dual Light Source, 5 Modes, 800 Lumens
Meet your ultimate pocket-sized lighting companion. The ESMARTER COB Keychain Work Light (Model WJ808) packs a powerful dual-light COB + XPE LED system into a compact, clip-ready design — delivering up to 800 lumens of cool white illumination wherever your adventures take you. Whether you're camping under the stars, running trails at dusk, or working in tight spaces, this mini powerhouse has you covered.
Why You'll Love It
- Super Bright Dual Light Source: COB + XPE lamp beads combine wide-area flood lighting with a focused beam for maximum versatility in every situation.
- 5 Adjustable Lighting Modes: Single-side light, double-side light, high-beam, near-far mode, and strobe — simply press the power button to cycle through modes, or long-press to jump straight to the brightest setting.
- USB-C Rechargeable: Built-in 800mAh polymer battery charges fully in just 2–3 hours via the included Type-C USB cable. Enjoy up to 2–8 hours of continuous runtime depending on your chosen mode.
- Lightweight & IPX5 Waterproof: At just 57g and a compact 50×73×28mm body, this light goes anywhere. The IPX5 waterproof rating means rain, splashes, and snowy conditions won't slow you down.
- 3-in-1 Multi-Function Design: Features a mountaineering carabiner clip, a strong built-in magnet for hands-free hands-on attachment, and a handy bottle opener — true everyday carry versatility.
- Durable Build: Aluminium alloy + ABS body withstands the rigors of outdoor use while keeping the light featherlight.
Full Specifications
| Lamp Beads | COB + XPE LED |
| Max Lumens | 800 lm |
| Light Color | Cool White |
| Lighting Modes | 5 (Single-side, Double-side, High-beam, Near-far, Strobe) |
| Battery | 800mAh Polymer (built-in, rechargeable) |
| Charging | Type-C USB, 2–3 hours to full charge (5V/1A) |
| Runtime | 2–8 hours (mode dependent) |
| Waterproof Rating | IPX5 |
| Material | Aluminium Alloy + ABS |
| Weight | 57g |
| Dimensions | 50mm × 73mm × 28mm |
| Model Number | WJ808 |
What's in the Box
- 1× COB Keychain Work Light (ESMARTER WJ808)
- 1× Type-C USB Charging Cable
⚠ Important: Use only a 5V/1A adapter with the included USB cable. Do not use a high-current adapter, as this may damage the light. Keep away from flammable materials during charging, and unplug once charging is complete.
Charging Status Indicator: The LED indicator glows red while charging and turns green when fully charged — so you always know exactly where you stand.
Made in Mainland China.
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For more guidance on safe battery charging practices for portable electronics, visit the U.S. Consumer Product Safety Commission – Battery Safety Guide.
Frequently Asked Questions
Q: How do I know when the COB keychain work light is fully charged?
A: Simply connect the included Type-C USB cable to a 5V/1A power source. The indicator light will turn red during charging and switch to green once the battery is fully charged. Charging typically takes 2–3 hours.
Q: Is the ESMARTER keychain light waterproof enough for outdoor use?
A: Yes! The WJ808 carries an IPX5 waterproof rating, meaning it can handle rain, water splashes, and wet weather conditions with ease. However, it is not designed for submersion — avoid soaking or immersing it in water.
Q: How many lighting modes does this rechargeable keychain light have?
A: It features 5 modes: single-side light, double-side light, high-beam, near-far mode, and strobe. Press the power button once to cycle through modes, or long-press to instantly activate the brightest high-beam setting.
Q: Can I attach the COB keychain light to my bag or belt loop?
A: Absolutely. The light includes a built-in mountaineering carabiner clip for easy attachment to backpacks, belt loops, or gear. It also features a strong built-in magnet for hands-free mounting to metal surfaces.