Feature 1Memory card, AUX, U disk, MP3 format playback, support Bluetooth wireless connection. 2Support FM stereo radio, with the characteristics of treble, bass and volume control. 3Low distortion supplies a clearer, stronger and more powerful sound. Two main channel outputs, with remote control function. 4DC/AC power input, suitable for home or car. Easy to operate, direct installation and use. 5Made of iron material, it has the advantages of sturdiness and durability and long service life.Item Type: Power AmplifierMaterial: IronSize: Approx. 19 x 15 x 4.5cm/7.5 x 5.9 x 1.8inBluetooth Version: 4.0Remote Control Battery: CR2025 voltage 3V capacity 240mA(built-in button battery)Rated Power: 15 + 15WPeak Power: 800WEuropean Plug: 220VMemory card, AUX, U disk, MP3 format playback, support Bluetooth wireless connection.Load Impedance: 4 - 8Signal to Noise Ratio: 85db .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x PowerAmplifier1 xRemoteControlNotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.