芝麻信用评估
芝麻信用评分是合法独立的信用评估及信用管理机构，授权后得到分数越高，代表信用越好
Question: Original? built in rechargeable battery? what different with other color like black & cerulean?
Answer: The battery is rechargeable. There is no difference in the colors.
意思是不同颜色的是一样的，都是可充电的，应该有外接电源
2017-08-15
