An extra feature is the soft mood light.AEG Bluetooth Loudspeaker BSS 4841 This loudspeaker can play for up to 20 hours with Bluetooth, card reader and AUX-IN ( AUX-IN cable included ).Information:Material: Metal & PlasticMeasurements: 19,5 x 9,5 x 69,5 cm ( L x B x H )Rechargeable battery: 4000 mAh ( can be used as a powerbank to recharging smartphones/tablets )USB port to battery charging ( USB cable included ). It is also water repellent ( IPX4 ) and can be used in or outdoors.