Model: Powereal PY-118 - Color: Green - Material: ABS + PC - Elegant Design - Butterflies over flowers - Proprietary technique vibrator and paper cone double sound technology - Perfect combination of traditional speaker and modern resonance speaker - With colorful lighting effect - Power: 2 x 3W - Frequency: 18Hz~20KHz - Impedance: 40 ohm - SNR: >/= 80dB - Distortion rate: - Built-in 1200mAh battery - Powered through any USB port - Portable and compact design - Working time: 10 hours - Ideal speaker for your MP3 cell phone or other devices - Package includes: - 1 x Speaker - 1 x 3.5mm audio cable - 1 x USB cable - 1 x Chinese user manual