Studio 5 - It offers cutting-edge sound performance and an elegant design. MDF wood as housing Connect to any computer, laptop, CD player and any portable player with 3.5mm audio jack. With Bluetooth function and you could connect to any devices with Bluetooth.Also included FM Radio,USB/SD slot function. The main driver is 4″ while another one is 1″ tweeter. Each speaker has 25W total power (RMS). Therefore, the whole speaker system has 50W. Buttons and controls are located on the right speaker. Master volume control, treble and bass adjustment as well. SD slot, USB port and headphones jack output too. Specification: Total Power (RMS): 50W Satellite driver unit: 4" x 2 + 1" x 2 S/N Ratio: >65db Distortion: <0.5% Frequency Response: 40Hz~20KHz Satellites size: L178xD193xH272 (mm) Power Supply: 220V 50Hz Inside Box : 1x remote control 1x external FM radio cable 1x stereo 3.5mm to RCA audio cable 1x manual 1 set x Speaker Bright, crisp treble with amazing bass Excellent clarity and transparency Bluetooth, FM & MP3 support Great build quality Remote control included It is an alarm clock too