The Datamax-O-Neil Apex 4 comes standard with 4" printing and USB and Bluetooth V2.0 wireless communication. 802.11b.g for wireless local area connection (WLAN) is available as an option in place of Bluetooth. An optional 3-track magnetic card reader allows for easy credit card payments. The Apex 4 features a powerful Arm-7, 32-bit processor allows for fast printing, high quality receipts and ample flash and SRAM memory that is under direct user control allows the user to store logos, fonts, graphics and barcodes for fast adaptability to changing business requirements.