Amplificador de voz UHF sem fio de 10 W, microfone ultraportátil, mini alto-falante de áudio para professores, turistas e ioga

10W Voice Amplifier Wireless UHF Microphone Ultra Portable Mini Audio Speaker for Teachers Tourists Yoga Instructors Specifications: 1.Output Power: 10W 2.Charging Voltage: DC 5V, 500mA 3.Lithium Battery: 3.7V/1800mAh 4.Working Time: With 50% Volume 6~10 Hours Musical Mode, 8~12 Hours Mic Mode 5.Charging Time: 3-5 Hours 6.Product Size: 106*86*42mm 7.Unit Weight: 170g 8.Working Temperature: -10℃~45℃ 9.Frequency Response: 90Hz~Hz 10.Sound Coverage: 400㎡ 11.Wireless Distance: 30-35M Main Features: 1.SHIDU Patented Appearance 2.Stylish, Ergonomic and Comfortable Design; 3.High Power Double Magnetic Trumpet --- More Clear And Penetrating 4.5W Power Output, Sound Coverage Up to 400㎡; 5.Adopt Shidu Acoustic Amplification Electroacoustic System 6.Equipped With Shidu Special Acoustic Microphone --- Hi Fi Original Sound Amplification 7.Super Mp3 Audio Encoding Technology --- Supports Tf Card and U Flash Drive 8.Headset Wireless Mic With Built-In 380Mah Lithium Battery and; What is included Standard Package: 1 * Main machine 1 * Waistband 1 * SHIDU Wireless Microphone 1 * USB Charging Cable 1 * User Manual