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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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Description
swiss tracker gps fahrrad Gemstone Bike GPS TrackerGemstone Bike Subscription Free 4G GPS Tracker Protect your ride with the Gemstone Bike, a high performance 4G GPS tracker designed for eBikes, cargo bikes, e scooters, and strollers. Engineered by Copenhagen Trackers, this discreet device offers a security solution with NO monthly fees or hidden SIM subscription. Key Features Up to 6 Year Battery Life: Industry leading power allows for up to 6 years of tracking (at 1 position per day). No Monthly
Gemstone™ Bike | Subscription-Free 4G GPS Tracker
Protect your ride with the Gemstone™ Bike, a high performance 4G GPS tracker designed for eBikes, cargo bikes, e-scooters, and strollers. Engineered by Copenhagen Trackers, this discreet device offers a security solution with NO monthly fees or hidden SIM subscription.
Key Features
- Up to 6-Year Battery Life: Industry-leading power allows for up to 6 years of tracking (at 1 position per day).
- No Monthly Fees: Includes a free lifetime SIM card with global 4G/LTE-M coverage in over 150 countries.
- Tamper-Resistant Security: The lightweight, compact unit mounts securely to you frame using included safety screws to prevent theft and tampering.
- Indoor Tracking Possible: Pinpoint your bike outdoors via GPS, and with a Premium upgrade allow WiFi-positioning, helping you locate your eBike in basements.
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Danish Engineering: Developed and assembled in Denmark, out trackers are IP68 waterproof and dust-proof, ensuring reliability in any weather.
Technical Specifications
- Connectivity: 4G LTE-M, NB-IoT, and 2G
- Size: 7.7 x 4.7 x 5.7 CM | Weight: 101 G.
- Coverage: 150+ countries
Stop worrying about bike theft and join over 100,000 customers who trust Copenhagen Trackers to keep their valuables safe.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 241 reviews
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Product Reviews
★★★★★ 5
Overall, these are some of the most comfortable flip flops I have owned, and would buy again.
Size: 6.5, Color: White Khaki
I was so happy with these KuaiLu Flip Flops that I bought two more pair, one in black and one in brown! They were comfortable right out of the box and did not need any break-in time. The arch support is excellent and gives my feet much better support than regular flip flops. They are also light weight, well made, and cute enough to wear with many different outfits. The soles have good traction, and they feel sturdy when walking.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Nice Flip Flops for the Price!
Size: 7.5, Color: White Khaki, Size: 7.5, Color: White Khaki
I just received my flip flops and tried them on, and they have a nice cushiony feel to them. The white color matches many of my outfits great. And while the fit is generally good, they could be a bit wider as I have wide feet. But they still feel comfortable.
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Reviewed in the United States on May 18, 2026
★★★★★ 4
runs big
Size: 7.5, Color: Camel
I am always a size 8 in boots, sandals, sneakers and read these ran large so ordered a size 7.5. They are still too big on me. I sent back for a 7 and I will update when I get those. They are very, very cute and comfortable! I love the cloth that goes over the foot!! That makes them seem a bit more fancy than regular flip flops. They also do sound like regular flip flops, so if you want a quiet sandal these are not for you. They are very cushioned and I can def feel the arch support. You will need to size down at least half size and maybe one whole size. The hardest thing for me was to pick a color! May have to get several pair! Just ordered my mom the dark blue and I know she will love them!!! Highly recommend, especially for the low price!
Update: Got the 7 and are still too big. As I said, I got my mom the 6 so I tried them on and they are still a tad too big on me!!! BTW the sizes 8,7.5,7 and the 6 I can hardly see any difference whatsoever! They don't come in 5 1/2 so I am sending the 7 back for a 6 and keeping those just because they are so darn cute and comfortable! I also don't have a very thick foot so I wish the straps were a tad tighter, but I will deal with it. So, to sum up: Be sure to size down at least one size and maybe even two. Returns are easy, so maybe try a few different sizes! I haven't worn a size 6 since I was in about the 6th grade, so not sure what is going on with the sizing. Oh yeah, I did get three different colors and the sizing was the same with all three. HTH! Good luck!
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Super comfortable from the first wear! Unique soles
Size: 10, Color: White Khaki
My husband actually picked these shoes out and bought them for me without my knowledge for a vacation we were going on. When I discovered he had bought me some sandals I assumed they would likely be super uncomfortable, too narrow, weird looking etc lol. I definitely didn’t give him enough credit. I absolutely love these shoes! They are incredibly comfortable! They match pretty much everything. The bow at the toes is so cute! The soles are a very cool sturdy and hard almost wood like material, while also feeling like a dream to wear. I ended up wearing them with my bathing suits, my shorts, my sundresses and even a couple of dressy outfits! I pretty much kept them on the whole vacation and ignored the 10 other pairs I wasted time and space packing. I don’t know what it is with these shoes but even o. Days we were walking really long distances at the beach or on days I was running all over the cruise boat from dusk til dawn, I never once felt uncomfortable in these and felt just the opposite in fact. I often get achey feet too; but it didn’t happen with these. Whether I was strolling the deck, dancing in the club, or standing waiting in long buffet lines, these shoes had me feeling fancy free and footloose.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
The best sandals EVER
Size: 8, Color: White Khaki
These flip flops are so so so comfortable. I have bunions and a nerve problems so finding the right shoe is an issue for me. These are the most comfortable flip flops I have ever had the pleasure to wear. I cannot recommend enough how good and natural these feel. They are flexible yet supportive. So far on vacation they have walked miles with me and still in great condition. They are so naturally light weight. I will be buying again for sure
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Reviewed in the United States on May 22, 2026