Features: – Audio Line-In – Bluetooth 4.2 – Pure Rich Sound – Micro SD Card music playback – 2.1 Hi-Fi Audio – 1-year warranty Specifications: – Frequency range : 60Hz – 18KHz – Total system power: 30W Satellite – Driver size : 2 x 2″ full range – Output power : 2 x 7W Subwoofer – Driver size: 3.5″ – Output power : 16W