- Multifunctional 2.1 sound system suited for music playback with: PC, smartphone, tablet, consoles, TV and other audio devices ,- Downwards firing subwoofer provides 360° deep bass ,- Intelligent energy management activates standby mode when not in use ,- Acoustic ensemble with subwoofer and 2 satellite speakers ,- Powerful sound with full bass ,- MP3 playback via integrated card reader (microSD) or USB port (type A, 2.0, host) ,- Connection with cable or Bluetooth (v4.0) ,- Bass and volume control on the subwoofer ,- Includes remote control (batteries included) - Connection: RCA Socket ,- Multi-Card-Reader : USB (Type A)/microSD Slot ,- Maximum music power: 20 W ,- Maximum music power Speaker: 5 W ,- Maximum music power Subwoofer: 10 W ,- Speaker W x D x H: 9 x 9.2 x 13,3 cm ,- Subwoofer W x D x H: 21,5 x 23.5 x 14.5 cm ,- Weight: 2500 g ,- Power Supply: 2x AAA Batteries ,- Bluetooth: Yes ,- Bluetooth Version: 4.0 ,- Frequency Range Speaker: 160 - 20000 Hz ,- Frequency Range Subwoofer: 60 - 160 Hz ,- Impedance: 4 Ω ,- Peak power: 20 W ,- Colour: Black/Silver ,- Line: Premium 2120 ,- Recommended Use: PC 2 years legal warranty only