QFX 3.6-in 100-Watt Outdoor Portable Speaker

Output Power: RMS 100W Frequency Response: 180Hz-15kHz Output Impedance: 4 Ohm Input Signal: Wired Microphone (-42dB 600 Ohm) Microphone Sensitivity: -53dB Battery Capacity: 1200mAh Charging Time: 3-5 Hrs Battery Life: 12-18 Hrs Microphone Mode, 8-12 Hrs Musical Mode (depending on the volume use) Item Dimensions: 11.00-in x 3.60-in x 3.60-in Item Weight: 0.75-lbs