With the wireless chargers from Sonos, you can easily charge your speaker. Sonos wireless chargers are designed to match the speaker design. As a result, the speakers retain their sleek design. You place the speaker on the wireless charger to charge it. That way, you'll never be without your favorite music. If you want to use your WiFi speaker throughout the house, choose a wireless battery. This allows you to use your WiFi speaker as a wireless speaker and place it in any room.