Brand: ZeePower Company: Shengshi Wireless Charging Technology Advantages: hidden under the desktop to charge, no need to dig holes, do not damage the furniture design Product use scene: tea table, coffee table, office table, hot pot table, computer table, bedside table, cabinet case, shoe cabinet, smart furniture Wireless charging standard: Qi-BPP Input voltage / current: 19V / 2A Output voltage / current: 5V / 1A Effective charging distance: 20mm-45mm Effective charging area: Ï?20mm Typical charging efficiency: 72%@25mm (IPHONE8P) The horizontal offset is plus or minus 10MM, Working frequency: 115k-140kHz Protection function: FOD, OTP, OVP Support for charging devices: all wireless charging phones Product Certification: FCC/CE/ROHS/EMC Coil type: long distance coil module