ROCKBROS Smart Bike Tail Light: USB rechargeable
Available Options

- Automatic function
- IP65 dust and waterproof
- 400 mAh battery
- 3 lighting modes
- USB rechargeable
General specs
- Brand: ROCKBROS
- Seller: Joom
- Battery Capacity: 400 mAh
- Waterproof Rating: IP65
- Lighting Modes: 3
- Charging Method: USB
- First listed by seller: 8/7/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
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Brand | ROCKBROS | Fishine | CHOQUE jewelry | Wosawe outdoor sports | Rustic Elegance House | TOMTOP JMS |
Model | ||||||
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Rating |
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Price | $53.34 | $18.69 | $31.59 | $25.74 | $34.77 | $16.90 |
Seller | Joom | Joom | Joom | Joom | Joom | Joom |
Update | August 25, 2025 | August 30, 2025 | August 8, 2025 | August 29, 2025 | August 30, 2025 | August 29, 2025 |
Waterproof Rating | IP65 | IPX5 | IPX6 | |||
Power Source | USB rechargeable battery | USB Rechargeable | USB rechargeable |
Joshua W.
Miami, FL
August 16, 2025
Before I got this, I was using some old, dim light that barely did anything—I'd be out with my kids on evening rides, squinting and worrying about cars not seeing us. Now, with this ROCKBROS light, it's a total game-changer. It automatically gets brighter as it gets darker, which is genius, and it's held up through Miami's rainy seasons without a hitch. The battery life is solid; I've gone on long rides and it hasn't died on me yet. It's fairly easy to install and use, and I appreciate that it's so compact—I almost forget it's there until someone comments on how bright my bike looks. For a DIY guy like me, it's a reliable piece of gear that adds a lot of peace of mind. Most likely, it's one of the best upgrades I've made for safety.
- Pros: The auto-adjusting brightness is fantastic—it gets way brighter when it's dark out, making me feel super visible and safe on the roads. It's built tough and handles rain and dirt without any issues, plus the battery lasts a good while and charges easily with a standard cable. I love that it's small and light, so it doesn't add any bulk to my bike setup.