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Wireless Power Bank

B4 wireless power bank

Model:                         B4
Standard:                    QI
Material :                   ABS+PC(Rubber paint)

Charging Efficiency:  ≥72%
Launch distance:       2-8mm
Input :                        5.0V/2A
Output  USB:               5.0V/2.1A
Battery capacity :      4000mAh or 5000mAh  Li-polymer
Color :                       Black
Net weight:                  130g  
Product size:               128*67*12.8MM  
Features:                     Suction cups design .case with rubber coating, perfect  hand feeling.

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