W4 wireless magnetic power bank with wireless charging

• Input: DC4.75-5.25V 1A
• Output current: 5V 2.1A
• Output Power: 5Watt
• Transmission Distance: 4~8mm
• Wireless Charging Efficiency: 110-205 KHz
• Execution Standard: QI
• Working Frequency: ≤73%
• Colors: black,white
• Materials: ABS+PC
• Product size: 145.5*77.5*16mm
• Product weight: 370g
• Packaging weight: 380g
• Certificate: CE FCC ROHS