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new products bluetooth speaker small size easy carrying good voice power bank 4000mah

  • Introduction:Product name:power bank speaker with led Strong light| Capacity : 4000mah | Input : 5V / 1A | Output : 5V / 1A| Size:140*47*25 mm | Weight:180G | Charging time: 6-10 hours | Circuit protection: Accept | Operating Temperat
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