A long-distance wireless charger designed to charge through desks, tabletops, and thick cases。No need to dig holes, no need to damage the design of the furniture surface。This charger can be perfectly mounted under any surface except metal. 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: φ20mm 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