3.3V for J‑Link ARM‑OB Emulator Debugger Programmer Downloader Universal Micro USB Interface Item Type: Programmer Downloader Material: PCB Output Voltage: 3.3V Maximum Output Current: 300mA Programming Function: Can programme for FLASH ROM, for EEPROM, for AFR, etc. Simulation Function: Supports various debugging methods such as full-speed operating, single-step debugging, breakpoint debugging, etc., and can view for IO status, variable data, etc. Programming Performance: Using USB2.0 interface, SWD download, fast download speed! Emulation Performance: Using USB2.0 interface for simulation debugging, single-step debugging, breakpoint debugging, quick response speed! Purpose: Suitable for operating learning and development of college students, engineers, technicians, factories, electronics enthusiasts, etc.