Ucom Uc Js704s2 Usb Joystick Driver Win 7 Download ((full)) Link
Windows 7 64-bit requires signed drivers. To install unofficial ones:
Many users have success with the USB Gamepad Installer which supports Windows 7 (32-bit and 64-bit). ucom uc js704s2 usb joystick driver win 7 download link
Thus, the "driver" you need is often an that tells Windows how to recognize the joystick, plus a calibration tool. Windows 7 64-bit requires signed drivers
If your PC recognizes the device but the buttons or vibration aren't working: I can suggest some possible sources:
Unfortunately, I couldn't find a direct download link for the Ucom UC JS704S2 USB joystick driver for Windows 7. However, I can suggest some possible sources: