Item Type: Power Amplifier Material: Iron Size: Approx. 19 x 15 x 4.5cm/7.5 x 5.9 x 1.8in Bluetooth Version: 4.0 Remote Control Battery: CR2025 voltage 3V capacity 240mA(built-in button battery) Rated Power: 15 + 15W Peak Power: 800W European Plug: 220V Memory card, AUX, U disk, MP3 format playback, support Bluetooth wireless connection. Load Impedance: 4 - 8 Signal to Noise Ratio: 85db Package List 1 x Power Amplifier 1 x Remote Control Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 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.