What is the best USB sound card for laptop djing on a Windows 7 machine?

For laptop DJing on a Windows 7 machine, the Focusrite Scarlett Solo USB sound card is highly recommended due to its Excellent audio quality, low latency, and compatibility with various DJ software. Another great option is the Behringer UMC22, which offers multiple inputs and outputs at an affordable price. Both options provide solid performance and reliability for live DJing scenariOS.