This product is a USB-compatible reader/writer that can read and write contactless IC cards, including FeliCa cards and Type A/B cards. ※ Main Specifications ・External Dimensions: Approximately 60mm x 11mm x 100mm (width/height/depth) ・Weight: Approximately 36g (excluding USB cable) ・External Interface: USB ・Operating Voltage: DC 5V (powered via USB) ・Current Consumption: Maximum approximately 200mA during operation ● The main unit's operation has been confirmed. Please see the 7th photo. ■ Items Included ・RC-S380/S Main Unit ・Included Dedicated USB Cable (with noise reduction cores on both ends)