Dear,Pls leave a massage to tell us what design (Color) do you want.thank you.

Brand: My AMPProduct size: 10 * 12.5 * 9cmMaterial: ABS + metalPower: USB output or 3 AA batteries (This product does not contain, sold separately)Maximum output power: 5WImpedance: 4ΩFrequency band: 200-15,000HzSound Pressure Sensitivity: 115dB ± 15dBCommodity content: body × 1; 3.5mm audio input / output line × 1; USB cable × 1【Features】It can be used as laptop computers, MP3 players, speakers and even substandard, low power consumption of only 5 watts.Replica amplifier design details kind, is simply a full-size copy.You can manually adjust the bass effect, through knob to select your favorite music the best results.Power: You can use the USB data cable to the computer power supply, or the use of section 35 battery-powered (not included)Frequency range of 200Hz to 20KHz frequencyStandard 3.5mm jack can be used as computer speakers.