PS3 HF1 Wireless Controller Ergonomic Shoulders & Triggers: Designed for the utmost in comfort & longevity for continuous gameplay. Using variable resistors for optimal spring loaded feedback. Concave anti-slip rubber grips: For greater comfort and longevity, notched at 90 for 'second nature' directional accuracy. Juxtaposed thumbstick arrangement: The preferred setup for FPS gameplay. Best component parts for rotational precision. Dished Directional Pad: For quicker selection control. Ergonomically shaped: To comfortably fit your hands, with tactile silk finish and perfectly weighted handles with rumble technology.