| Four lights in the card. |
| 0.2W ultra low power output, 2835 chips led, long lighting, No radiating. |
| 5000 mah mobile power supply, with sustainable light up 100 hours. |
| Can fit into a purse, also can hang on the keys, very portable. |
| we use the latest fingerprint technology, will be able to use your fingers to achieve control of LED lights. |
| Size: 3 x 1.2 cm. |
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