What's in the box:

Mini BT Stereo Audio Power Amplifier Portable Sound Amp with Remote Control for Home and Car (Red)

This car power amplifier is a 2-channel professional amplifier, suitable for car, motorbike, boat, home use with easy installation, anodized aluminum alloy chassis, built in electronic tuning FM radio.

Features:
Filtering and anti-large-capacity power circuit.
Sound mode LED digital display.
Pre-professional level input operational amplifier I-C for circuit design, sound is clear and bright.
Dual channel RCA stereo input, stereo output.
Support USB/S-D/MP3 playback, and can connect to the external DVD/mobile phone, computer input.

Specifications:
Material: aluminium alloy
Color: red, blue (optional)
Power: 20W * 2
Speaker impedance: 4-8O
SNR: 85dB
Remote battery: CR2025, 3V, 150mAh
Frequency range: 20-20KHz
Item size: 155 * 125 * 42mm / 6.1 * 4.9 * 1.7in
Item weight: 350g / 12.3ounce
Package size: 170 * 140 * 50mm / 6.7 * 5.5 * 2.0in
Package weight: 400g / 0.9lb

Note:
Package without battery and plug(for power amplifier), you need to prepare your own power-supply.

Packing List:
1 * Power Amplifier
1 * Remote Control
1 * User Manual