Takstar E136 - portable speaker with microphone for teachers and guides

Portable amplifier that combines microphone and power amplifier - are in demand among teachers and tourist guides. Digital amplification technology, peak output power up to 10 watts. Light weight, excellent sound, high volume. Included - compact and lightweight headset microphone for extended wear. Feature audio input LINE IN; The amplifier can be used as a multimedia speaker. Lithium-ion high capacity battery; 4 hours of charging time operation of the device provides more than 15 hours. Convenient strap for carrying on the shoulder or belt. Specifications: Frequency range: 90 Hz to 12 kHz Peak power: 10 W Speaker Impedance: 4 Ohm Power Supply: Rechargeable Li-ion battery 3.7 V / 2000 mAh Charging: 5 V DC / 600 mA Charging time: about 4 hours Working time: more than 15 hours Net Weight: about 175 g Size: 92x81x38 mm Microphone: Back electret cartridge Microphone Type: Unidirectional Frequency range: 60 Hz to 16 kHz Sensitivity: -44 dB to -47 dB (dB = lV / Pa / m at 1 kHz)

Amplifier: 
• Frequency Response: 90Hz-12kHz 
• Peak Power: 10W
• Speaker Impedance: 4Ω
• Battery Type: Li-ion battery 
• Battery Specification: 3.7V/2000mAh
• Charging: DC 5V/600mA 
• Charging Time: approximate 4h 
• Operation Ti me: more than l5h 
• Net Weight: approximate 175g 
• Dimension: 92x8lx38mm 

Microphone: 
• Cartidge: back electret cartridge 
• Polar Pattern: unidirectional 
• Frequency Response: 60Hz-16kHz 
• Sensitivity: -44dB to -47dB (OdB=lV/Pa/m at lkHz)