Material: ABS plastic housing - Multi-function high power megaphone - Output Power: 10W - Frequency Response: 100Hz-20kHz - Output Impedance: 4 ohm - Coverage Area: 400 square meters - Interface: MIC IN + AUX IN + DC IN - Powered by 1 x BL-5C 3.7V 1000mAh rechargeable battery (included) - Charging Time: 6~8 hours - Working time up to 12 hours - Accessories Include: - 1 x Microphone (3.5mm jack / 96cm-cable) - 1 x 3.5mm Audio cable (96cm) - 1 x 100~240V Power adapter (2-flat-pin plug / 108cm-cable / DC 3.7V 1A output) - 1 x Shoulder strap (114cm) - 1 x Chinese manual