• Material: ABS
• Color: black
• Amplifier output power: 3W + 3W, 2.0 stereo speakers
• Frequency response: 100-20KHz
• Speaker: 4 ohm 3W * 2PCS
• SNR: FM 40dB, Bluetooth 70dB, AUX input 70dB
• Power input: AC input 100-240V / 50-60Hz, DC Output 5V / 2A transformer
• Clock back-up power supply: built a 3V / 150mA button battery.
• Product Size: (L) 110mm * (W) 110mm * (H) 64mm, Weight: 750g