Instruction: Given a question and its related document, determine if the question is answerable by analyzing the information in the document. Output yes if the document addresses the question, or no otherwise.

Input:
Question: Can I replace the usb cable?  I lost mine!!
Document: Safety wise I think these are worth the money. Both the back and front lighting are significant and its usb powered- just plug in for a recharge.
This light set is bright and has several settings that are easily adjustable for personalized use. The included usb charging function is very handy and I really like the fact I do not have to buy batteries constantly to support it. Wunderbar!
I used those 2 for my work commute and they are very easy to use and very efficient. i like the fact they charge on regular cable ( though i would hope they will make it similar to my galaxy 4s).i would recommend them.
I love that I can run the taillight at a faster speed during the day and switch it to something more steady at night... This was a great safety purchase for my then new bike! They make me feel safer at all times of day or night, and I'm not afraid of being hit because I can't see or be seen. I also love that they are mini-usb rechargeable- I can plug in to any USB port and they charge quickly.
This seems 4 times brighter than other LED lights I've been using, and has more modes and brightness levels. Both lights are easy to mount on various thickness handlebars or posts (and remove quickly so I don't have to leave them on my bike for thieves). Nice rechargeable batteries from USB connection (indicator lights show when the two lights are fully charged); includes one USB cable (to charge one device at a time).
The "walking" mode is a really low outputbut perfectly suited  for a walking pace. The other modes are well thought out.4. My day time go to mode is the day lightening and dusk/dark mode is the one with a triple flash and a steady output at the same time.5. I realized very quickly that I'd made a mistake with the hotshot as I pulled it out of the charged by the plug but I forgot to disconnect the cable from the plug.
Only comes with a SINGLE proprietary USB cable. Normal USB cables won't fit. This isn't a bloody iPhone, and this isn't 2009. Just steer clear.
I'm very pleased with this product. I bought this set to replace an old Cyglo system with the large NiCad water bottle-sized battery and the metal halide lightbulbs. The old system still works after 7 years, so I put it on my kid's bike.The new system is so compact, I'm amazed that the battery is built into the devices. The 360 plenty powerful for the street riding I do.I typically ride during the day on weekends and near dusk on weekdays.
Both are powerful and has many modes. I recommend this to anyone seeking a good bike lights that last long.
These lights are a great set, very bright all the way around. I enjoy all the different light settings you can use. You will be seen!
Answer: yes