Gioteck HF2 Bluetooth Controller PS3 Turbo Function: Pressing an action button assigned with turbo will simulate the button being pressed rapidly e.g. "boost firepower" Integrated Bluetooth (no usb required) Flip switch swaps the functions assigned to the L1 & L2 and R1 & R2 buttons Thumbstick Calibration: The HF-2 has calibrated thumbsticks that will sharpen aim and improve accuracy during serious FPS gameplay http://www.gioteck.com/support/playstation-3-support/controllers-ps3-support-2/hf-2-support/