The Xiaomi Portable Electric Air Compressor 2 offers a significant upgrade in performance, being 25% faster than its predecessor. It can inflate an empty car tyre in just 8 minutes with a maximum inflation pressure of up to 150 psi. For bicycle tyres, it takes only 86 seconds to inflate from flat. The device features six pre-set inflation modes to cater to various needs, and a manual mode allows for storing custom pressure values, making inflation quick and convenient.