У вашего броузера проблема в совместимости с HTML5
My tips and tricks to "hack" your Spectra pumps to use Medela parts which are more readily available and less expensive.
Freemies hack can be found at 5:25
Spectra to Medela adapters: https://tinyurl.com/yd5wze4y
Spectra long stem backflow protectors: https://tinyurl.com/y7n49p3g
Extra Spectra tubing: https://tinyurl.com/y7co7kpo