Feature:1. Stable Connection: Mini amplifier connection is more stable, providing high definition resolution music, making the driving journey easier and more exciting.2. High Power: Mini stereo amplifier output 2 channels, one key to adjust the sound, left and right channels clear vocals, strong subwoofer power.3. Adjustable: This mini stereo amplifier output sound quality clean, with volume, treble, bass adjustment, support 3.5mm sound input.4. Compact And Portable: Mini sound amplifier design is very small, space saving, easy to carry, enjoy music anywhere, anytime.5. Metal Material: The shell of this sound amplifier is made of premium aluminum, sturdy and durable, with better heat dissipation performance.Specification:Item Type: Mini AmplifierMaterial: AluminumProduct Specification: Approx. 12.5 x 10.5 x 4.2cm / 4.9 x 4.1 x 1.7in.Package List:1 xMini AmplifierNote:Manual measurement, please allow some errors.