• Type of microphone: Dynamic.
• D Class Digital Amplifier Module for low power consumption.
• Built-in "smart" charging management system for safe charging and discharging of the battery.
• Multiple carrying and placement options for easy and comfortable use.
• Applications: Schools, Gyms, Guided tours, speeches in small spaces.
• Frequency Response: 80Hz - 12kHz.
• Output Power: 10W maximum (5W RMS).
• Speaker Impedance: 4 Ohms.
• AUX input for connecting devices such as MP3 player, CD, etc.
• Battery Type: Lithium-ion 3.7V/2000mAh.
• Power Adapter Specifications: DC 5V 600-750mA.
• Charging Time: 4-6 hours.
• Playing Time: Approximately 20 hours.
• Net Weight: 350g.
• Dimensions: 8.6 × 9.8 × 4.6 cm.

1 device E188, a power transformer, 1 head microphone (lip microphone), 1 strap.