Notos is a compact 3W speaker with 4.1 Bluetooth for optimal sound quality and a quick connection. The aluminium ring gives the body a solid feeling. It can be opened and attached to any window with a simple twist so your favorite music can be played wherever you go. The internal 500 mAh battery lets you enjoy your music for at least 4h and with the microphone you can even answer your calls. Including micro USB cable. Registered design?