1Stretchable Grip: Fits different sizes of smartphones up to 6.7inch (17cm) length, and 5-12mm thickness. And the grip also has each resilient EVA pads on both inner sides to protect the smartphone from sliding and scratches. 2Adjustable Swing Arm & Detachable Joystick: Joystick integrated swing arm allows you to plug & unplug it into one of the four holes based on your hand preference. 35 Level Adjustable Holder: With 5 adjustable slots, you can adjust the holder to your preferred angle among 5 different angles in standing position whenever you need it. It is easy to operate as just push the rear arm, set the angle and kickstand it. 4Battery-Free: The joystick grip, made for every gamers daily life, does not require any battery and signal connection with your smartphone. As simple as just install the swing arm first, stretch the grip to fit your phone, stick the joystick onto the sc 5Comfortable Feeling: The handle grip has an ergonomic design and comfortable feeling to relax your hand fatigue for the long-time gaming.