1.Easy to replace batteries: The controller handle cover is designed with a battery opening, no need to remove the entire cover of the controller handle. (Note: The plastic pull tab should be placed under the battery)2.Easy to install and remove: The design of the controller cover is the same as the original one. The hand cover has L and R logos (left and right), which can be easily installed and replaced by simply distinguishing. At the same time, you can easily operate the installation according to the user manual. Everyone can do it alone.3.Upgraded controller protection: Protect your Meta Quest 3S/Quest 3 with the controller handle, protect the touch controller from scratches, knocks, and ensure a safe and stable hold during the game. In addition, our controller handle will not block any infrared tracking LEDs of your Quest 3S/Quest 3. The stable signal will greatly enhance your VR gaming experience.4.Non-slip and comfortable grip: These comfortable controller grip covers compatible with Meta Quest 3S/Quest 3 are made of soft silicone material, which can reduce hand pressure and discomfort and enhance the comfort of long-term holding. In addition, the texture design of the non-slip handle enhances friction to prevent the controller from slipping or sliding.5. Adjustable knuckle strap: The nylon Velcro strap can adjust the length and tightness of the wrist strap, bringing a comfortable grip experience and suitable for most hand sizes. The hand strap can free your hands and greatly enhance the VR gaming experience.