Features- Allows one USB keyboard USB mouse speakers microphone and two displays to control two dual display computers- 2 port USB Hub built in- Multiplatform support: compatible with all operation platforms PC (Windows Linux and most others) Mac and Sun- With speaker and microphone support- Bi-directional switching and flexible interoperability; switch permits independent PC independent peripheral and independent audio function regardless of KVM switch focus- Buzzer On/Off via hotkey- Keyboard and mouse emulation for error free booting- Computer selection via front panel pushbuttons and hotkeys- Superior video quality - up to 2048 x 1536; DDC2B- Firmware upgradeable- SUN/Mac keyboard support and emulation**1.PC keyboard combinations emulate SUN/Mac keyboards.*2.SUN/Mac keyboards only work with their own computers.Package Contents- 1x 2-Port USB Dual-View KVMP Switch- 2x 2L-5202A-1 KVM Cable (Audio/Video)- 2x 2L-5202U USB KVM Cables (USB/Video)- 1x UC20KMZ-A-11 USB-to-PS/2 Converter- 1x Firmware Upgrade Cable- 1x User Instructions