Specifications: Material: ABS Size:9 x 12.7 x 4cm / 3.54 x 5 x 1.57inch Power: 15W Battery Capacity: 2400mAh Charging Time: 4 - 6 hours Working Time: 12 - 15 hours Wireless Microphone Battery Capacity: 350mAh Wireless Microphone Battery Working Time: 4 - 6 hours Transmission Distance: 35 meters Function: Amplify, Connection, FM Radio, Audio Cable Connection, U Disk Playback, TF Card Playback, Recording, Looping Packa Contents 1 xVoice Amplifier 1 xWireless Microphone 1 xVoice AmplifierCharr Cable 1 xWireless MicrophoneCharr Cable 1 x Audio Cable 1 x Waistband 1 x User Manual Related Products:voice amplifier,megaphone,speaker with microphone,voice amplifier for teachers,bullhorn megaphone,voice amplifier wireless microphone,portable pa system,teacher microphone for classroom 15W high power, lar classroom conference room relaxed PA.15W loudspeaker + 7.4V high, zoom in decibelsHigh-sensitivity microphone, digital smart microphone chip to bring digital noise reduct, combined with the fusela comes with noise reduct funct, through different decibels intellint judgment to reduce noise. Sound big, good sound qualityA key recording, FM radioLar capacity lithium battery long lifeStandard wired microphone20 meters wireless PA, no need to carry a heavy loudspeaker, directly on the podium, the desk, just with a wireless wheat can be easily amplifiedHigh sensitivity microphone, no noise, Lasting battery life, built-in high-capacity lithium battery, charging 4-6 hours, sustainable use 12-15 hours. A variety of interfaces complete, support U disk read, mobile phone playback, TF card reader, radio funct, connect the computer to play, recording funct. Widely used:teaching, training, tour guides, conferences, promots and other occass and stats, hospitals and banks and other units.