Voice Amplifier With Wired Microphone Headset?Bluetooth Speaker 30W 2800mAh Portable Rechargeable PA system Speaker for Multiple Locations such as Classroom, Meetings, Promotions and Outdoors

The wired microphone can be connected to the music instruments for amplification (With the use of voice amplifiers and AUX audio devices ) that is popular for music lovers. Specifications Output Power:RWS 30W max Frequency Response:100Hz-13KHz Battery Type:Rechargeable Lithium Battery(2600mAh) Working Temperature-10?-60? Size: 4.5x3.5x1.7inch Unit Weight: 11.03oz Musical use time: 8--10 hours Amplification of using time: 12-15 hours Charging time: 4-6hours Package Contents 1*AC-DC Charger 1*Adjustable Strap 1*Quick Start Guide 1*Wired Microphone Headset 1*Voice Amplifier Note: 1.The microphone can not be close to other microphones or speakers as this will produce coupling and generate a reverberation that never ends when a microphone is near a loudspeaker will catch the sound of it and emit a shrill voice and create a loop up Cut off the current or move away from each other. 2.Record Mode is only available when TF card/USB Flash is on the device. 3.When device is on,insert the TF card first and then USB Flash ,it will go into USB Mode,insert the USB Flash first and TF card later,it will go into TF mode. 4.When Device is off,no matter which device is insert first(TF card and USB Flash),the default setting will become USB Mode after the device is on. 5.On record Mode,the recordings will be saved on TF card only if TF card and USB Flash are both on the device. 6.The recordings will be saved on TF card/USB Flash if TF card/USB Flash is on the device. 7.During the record mode,short press the play/pause button to start recording and short press that button again to pause,long press the button to delete the recording.