W WINBRIDGE WinBridge Wireless Voice Amplifier Microphone Headset Bluetooth, 16W 2200mAh Portable Rechargeable Pa Speaker and Microphone for Teachers, Tour Guides, Coaches, Elderly Etc

* WinBridge wireless voice amplifier S619 projects excellent sound voice at a very good distance. Carry voice clearly and is easy to carry on person. Speaker works perfectly while wearing a mask * Portable voice amplifier built in 2200mAh rechargeable lithium battery could run 6 to 8 hours on a single charge, support Bluetooth, AUX, USB driver and TF card to play music. And the updated wireless headset microphone U8 can support 4 to 5 hours working after fully charged. * You can place the loudspeaker unit stay in the center of the room and transmit some distance from the unit. You will get around 50 ft! U8 wireless mic can easy to split into headset and mini handheld models. Can adjust volume via pressing the "+" and "-" on the mike. * What's the difference between this wireless personal amplifier and others speaker that this unit delivery more original, mellow and stronger sound. Simple robust design, 16W high output power and Max.8 hours runtime, WinBridge new release, popular among teachers, guides, coa...