Please charge it before use. Please charge it before use. Please charge it before use. Due to the long-distance transportation, it is normal for the product to arrive at the local without electricity. Please charge it before use.You should have this big screen digital phone battery packFull capacity of 50000 mAh, dual USB output, can support two devices to charge at the same time without affecting efficiencyFully charged, can be used continuously for more than 7 daysThree kinds of interface output lines, can meet the data line ports of different interfaces2.1A high current smart chip, the charging speed is increased by 2 timesSmart large-screen digital display, check battery power at any time
High-density electronic chips provide a variety of security protections for the device, which are durable and will not damage the phone
High-tech li