У вашего броузера проблема в совместимости с HTML5
Pineng PN-999 20000mAh Power Bank - Unbox
SPECS:
Input: DC 5V~2A
Output: DC 5V~1A, 5V~2.1A
Built-in Battery Capacity: 20000mAh
Battery Type: Lithium Battery
Charge Retention: 5000 hours
Cycle Life of Charging: 500 times
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