External auxiliary battery of 2000mAh/4000mAh.
With USB output and Micro USB input.
LED charge status indicators and Micro USB charging cable included.
Power bank overcharge protection system.
Material:aluminum
Proudct size:2-3/4" x 4-3/8" x 3/8"
Package:White Box50Pcs/Ctn/30x14.5x38.5cm
G.W.:7.5kgs
Bluetooth Earphones
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