Portable 10w Voice Amplifier Wired Microphone Headset With Sound-amplifying. Features: Super Mini& Lightweight128g Professional Smart Amplifier:T3 Noise Reduction 99.9% and Sound Covers over 5000 Square Feet/500,Multifunctional Design,Adjustable Headset Microphone,Waistband,Belt and New Design Removable Clip Bluetooth 4.2 Speaker&FM Radio: We Imported Korean Chips and Used Inner-magnet Trumpet for Giving Our Customer a Hifi Amplifier/speaker,The Newest Bluetooth 4.2 Transmission and Tf Support Allows You Listen to Music from Your Smartphone or Tablet from Up to 30 Feet Away.Compatible with All Bluetooth-enabled Devices AAA Grade/Level Battery:100% Safety,It Has Passed by MSDS and Provide 8 to 10 Hours(microphone Mode)/6-8 Hours(music Mode) Long Using Time Specification: Output:10W Frequency Response: 50Hz-12000KHz Battery Specification: Lithium Battery 3.7V/1000mAh Charging Time: 4.5hours Working Temperature: -10~45 Dimensions:4.1 X 3 X 1.1(inch) (LxWxH) Package Includes: 1xAporo T3 Voice Amplifier+Wired Mic 1xUSB Data Cable 1xWired Microphone 1xStrap 1xUser Manual . We are an international based seller that will your order from abroad, please at least a minimum 14 working for right now due to the ongoing delays in s globally.