Swiss Cougar Geneva Wireless Charger & SpeakerBoasting a powerful speaker and a wireless phone charger, the bamboo and fabric combination makes this product an attractive addition to any modern home or workplace. The speaker does not need to be connected to a power source to work, only to charge. However, this item needs to be connected to a power source for the wireless charging function to operate. to use the wireless charging function, the device being charged must be wireless charging