Portable Voice Amplifier with Wireless Microphone for Teachers Waterproof Bluetooth Speaker M808 ,Loud Volume

2 In 1 Voice Amplifier & Bluetooth Speaker This Is Not Only A High Power 18w With 3inch Trumpet Nice Voice Amplifier Which Can Project Your Voice Clearly And Loudly But Also Can Be Used As A Bluetooth Speakerthe Loudspeaker Volume Is Decent And Could Be Intelligible From At Least About 262ft Away Supports Twsfm, Recording, Loop Playback, Aux Input, Card And U Disk. Upgraded Waterproof Ipx5 Design Perfectly This Bluetooth Voice Amplifier Is Designed With The Silicone Cases And Interface To Ensure Waterproof, Shockproof, Dustproof, Splash-Proof, Rainproof, Sand-Proof. For Everyday Indoor Or Outdoor Use Such As Shower, Beach, Pool, Boat, Bathroom, Car, Office And Much More. Long Working Time & Battery Level Display Builtin Rechargeable Voice Speaker Builtin 2500mah 74v Big Lithium Battery Which Could Last For Up To 6 Hours Playtime After Fully Charge The Battery Status Will Be Displayed On The Led Digital Screen Don'T Need To Worry About Running Out Of Battery Any More.