E300W Takstar - wireless portable speaker for tour guides and teachers

Portable Wireless Amplifier for tour guides, teachers, presenters. UHF wireless transmission technology, the high resistance against interference, the transmission range of more than 40 m in the open space. Frequency modulation, channel 40; Several amplifiers can be used simultaneously. Convenient nagolovnym wireless microphone intended for extended wear. wireless playback feature to play audio files on your mobile phone, PC, tablet, etc. Support TF-card, play music in MP3 or WAV format. Audio Recording and preserving WAV format. FM-radio function, automatic station search and save them; You can save more than 50 channels. Lithium-ion battery provides high capacity time over 10 hours. 

Amplifier 
• Frequency Response: 80Hz-12kHz
• Peak Power: 10W
• Speaker Impedance: 4Ω
• UHF Frequency: 630MHz-890MHz(frequency band)
• UHF Operation Range: open area 40m
• Media Playing: TF card, max 64G
• Media Format: MP3, WAV
• Battery Type: Li-ion battery
• Battery Specification: 3.7V 2500mAh
• Charging: USB 5V 1000mA
• Charging Time: approximate 2.5h
• Operation Time: around 13h
• Net Weight: approximate 200g
• Dimension: 113*84*44mm

Headworn Microphone 
• Cartridge: back electret
• Polar Pattern: unidirectional
• Frequency Response: 60Hz-16kHz
• Sensitivity: -51 to -54dB (0db=1V/Pa/m at 1kHz)
• UHF Frequency: 630MHz-890MHz(frequency band)
• UHF Operation Range: open area 40m
• Battery Type: Li-ion battery
• Battery Capacity: 3.7V 400mAh
• Charging: USB 5V 200mA
• Charging Time: approximate 2.5h
• Operation Time: approximate 5h
• Net Weight: approximate 39g