1. Material: fabric+LED 2. Power supply: button battery (included) 3. Eye-catching at night, safe riding 4. Strong and durable, not easy to break 5. The length can be adjusted according to the usage 6. Weight: 410g 7. Size: adjustable
1. 材质:布料+LED 2. 供电:纽扣电池(含) 3. 夜间醒目,骑行安全 4. 牢固耐用,不易断裂 5. 长度可根据使用情况调节 6. 重量:410克 7. 尺寸:可调节
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