It's broken. Cheap but not good. A couple hundred bucks worth of cheap balance bikes, or something.
It's inferior on the inside. A lot of problems.
It breaks after a few plays. No warranty card, no after-sales phone, broken simply can not find after-sales.
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No physical store can fix it. If you fix it yourself, it will be worse, and worse.
If you want to repair, you can only go to a balance car repair. Cheap repairs break down after a few tries.
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If you buy it again. Remember not to be cheap, look for genuine...
For example, ssru brand, bike brand, airwheel, millet, these can be.
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Don't be greedy for small bargains, otherwise spend hundreds of dollars to buy a product that can only be played a few times.
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Answer truthfully. Tell it like it is. Hope to adopt.