--- product_id: 41425706 title: "| Firefly Running & Biking Safety Lights | Comfortable & Lightweight | Be Seen and Stay Safe at Night | Easily Clips to Any Shoe | Replaceable Battery | Red" brand: "schatzii" price: "$44.60" currency: USD in_stock: true category: "Schatzii" url: https://www.desertcart.us/products/41425706-firefly-running-and-biking-safety-lights-comfortable-and-lightweight-be store_origin: US region: United States of America --- # High intensity beam visible from long distance Adjustable flex clip fits all shoe sizes 2 light modes for versatile visibility | Firefly Running & Biking Safety Lights | Comfortable & Lightweight | Be Seen and Stay Safe at Night | Easily Clips to Any Shoe | Replaceable Battery | Red **Brand:** schatzii **Price:** $44.60 **Availability:** ✅ In Stock ## Summary > 🌟 Light up your night runs—because safety never goes out of style! ## Quick Answers - **What is this?** | Firefly Running & Biking Safety Lights | Comfortable & Lightweight | Be Seen and Stay Safe at Night | Easily Clips to Any Shoe | Replaceable Battery | Red by schatzii - **How much does it cost?** $44.60 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/41425706-firefly-running-and-biking-safety-lights-comfortable-and-lightweight-be) ## Best For - schatzii enthusiasts ## Why This Product - Trusted schatzii brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-Terrain Ready:** Weatherproof and durable for running, biking, walking, or any outdoor adventure. - • **Long-Lasting Safety:** Up to 100 hours of continuous use on a replaceable battery—never miss a run. - • **Unisex & Universal Fit:** One size truly fits all—men, women, and kids can all join the safety movement. - • **Effortless Clip-On Comfort:** Ultra-lightweight design with a flexible clip that fits any shoe seamlessly. - • **Stay Visible, Stay Confident:** Dual light modes—Always On or Flashing—tailored for your night-time safety. ## Overview The Firefly Running & Biking Safety Lights are lightweight, clip-on heel lights designed to enhance visibility during night activities. Featuring two light modes (Always On and Flashing), a high-intensity beam visible from long distances, and an adjustable flex clip that fits all shoe sizes, these lights provide up to 100 hours of continuous use on a replaceable battery. Perfect for runners, cyclists, and walkers seeking reliable, comfortable, and versatile night-time safety. ## Description The FireFly Running & Biking Safety Lights help you be seen and stay safe in the dark. The lightweight light spurs easily clip on to the heel of your shoe, and produce high intensity light that provide high visibility while running, biking or walking at night. The FireFly light spurs help keep you safe and visible during night time runs, walks or bike rides. The FireFly heel lights are lightweight and comfortable, and quickly clip on to the back of your shoe and just as easily and quickly removed. With its unique adjustable "flex" design, one size fits all for men, women and children shoes. The FireFly has 2 light modes to choose from: 1) Always On, or 2) Continuous Flashing. The high intensity light allow you to be seen at long distance in the dark. The FireFly is available in Green and Red, and provide 100 hours of continuous use before having to replace the battery. These light spurs are comfortable and super lightweight so you won't even know they're there. Be Seen and Stay Safe with the FireFly. ## Features - BE SEEN & SAFE - The FireFly Running & Biking Safety Lights help you be seen and stay safe in the dark. The lightweight light spurs easily clip on to the heel of your shoe, and produce high intensity light that provide high visibility while running, biking or walking at night. - HIGH INTENSITY - The FireFly has 2 light modes to choose from: 1) Always On, or 2) Continuous Flashing. The high intensity light allow you to be seen at long distance in the dark - UNIQUE DESIGN - The FireFly heel lights are lightweight and comfortable, and quickly clip on to the back of your shoe and just as easily and quickly removed. With its unique adjustable "flex" design, one size fits all for mens, womens and children shoes - COMFORTABLE - These light spurs are comfortable and super lightweight so you won't even know they're there. - USEFUL IN ANY SITUATION - Feel free to use in any terrain or any weather, super lightweight for all outdoor activities - running, jogging, cycling, walking, horse riding, or anything else you feel up to! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01M0JVA6F | | Best Sellers Rank | #910,336 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1,021 in Bike Lighting Parts & Accessories | | Brand Name | Schatzii | | Color | Red | | Customer Reviews | 3.5 3.5 out of 5 stars (4) | | Date First Available | September 23, 2016 | | Manufacturer | Schatzii | | Part Number | SF-002 | | Suggested Users | unisex-adult | ## Images ![| Firefly Running & Biking Safety Lights | Comfortable & Lightweight | Be Seen and Stay Safe at Night | Easily Clips to Any Shoe | Replaceable Battery | Red - Image 1](https://m.media-amazon.com/images/I/A1O+5YK5OLL.jpg) ![| Firefly Running & Biking Safety Lights | Comfortable & Lightweight | Be Seen and Stay Safe at Night | Easily Clips to Any Shoe | Replaceable Battery | Red - Image 2](https://m.media-amazon.com/images/I/A1YTjIRdXQL.jpg) ![| Firefly Running & Biking Safety Lights | Comfortable & Lightweight | Be Seen and Stay Safe at Night | Easily Clips to Any Shoe | Replaceable Battery | Red - Image 3](https://m.media-amazon.com/images/I/91XmPQxog-L.jpg) ![| Firefly Running & Biking Safety Lights | Comfortable & Lightweight | Be Seen and Stay Safe at Night | Easily Clips to Any Shoe | Replaceable Battery | Red - Image 4](https://m.media-amazon.com/images/I/91uwH1YdYDL.jpg) ![| Firefly Running & Biking Safety Lights | Comfortable & Lightweight | Be Seen and Stay Safe at Night | Easily Clips to Any Shoe | Replaceable Battery | Red - Image 5](https://m.media-amazon.com/images/I/71k2QmHeo7L.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/41425706-firefly-running-and-biking-safety-lights-comfortable-and-lightweight-be](https://www.desertcart.us/products/41425706-firefly-running-and-biking-safety-lights-comfortable-and-lightweight-be) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-13*