Plug-in our Tooth Whitening Light anywhere for a quick whitening session. Universal size mouth tray is comfortable and easy to clean. iPHONE, ANDROID, USB, USB-C CONNECTORS — Small, lightweight, at home Teeth Whitening Machine, connects to most cell or usb devices and the LED mouth guard enhances whitening in 10-20 minutes per day. Just add strips or gel (not included, sold separately)