Specification AudioInput : 3.5mm AUX audio input BatteriesIncluded : 1 BatteriesRequired : 1 BatteryInstallationDeviceType : installed_in_vessel Brand : SHIDU BulletPoint1 : 【 Powerful Voice 】 The Bluetooth amplifier delivers crystal-clear, distortion-free audio with a strong 30W output, , Amplifies your voice and saves your throat when you have a difficult time speaking loudly enough.The voice amplifier can cover about 21000 sq.ft (2000 ㎡), allowing up to 250 students to hear you clearly. BulletPoint2 : 【 Long-Lasting Battery 】The Wireless Lapel Amplifier for Teachers has a built-in 3000mAh rechargeable battery, it can work for up to 15 hours after a full charge.The portable microphone and speaker ensuring you stay powered through long sessions without needing frequent recharges. BulletPoint3 : 【 The Newest Upgraded 】 This Wireless voice amplifier features adjustable echo effect, adding depth and richness to your voice, our anti-feedback technology eliminates screeching while enhancing vocal clarity and penetration. BulletPoint4 : 【 True Original Voice Amplifier 】 This SHIDU Voice Amplifier for Teachers with wireless lapel mic delivers dependable sound quality, that amplifies your voice without making it mechanized in sound quality. The Bluetooth voice amplifier with a wireless range of up to 30 meters (100 feet), you can move freely without worrying about signal loss. BulletPoint5 : 【 Versatile Connectivity 】:The speaker and microphone with Bluetooth 5.0, TF card slot,USB flash drive,MIC jack, and AUX jack, this teacher microphone for classroom offers multiple connection and playback options. Making it ideal for presentations, classroom teaching, or any speaking engagement. BulletPoint6 : 【 Portablevoice amplifier 】 The wireless voice amplifier weighs only 0.55 lb, this portable microphone and speaker is compact and easy to carry and wear for a long time.Please feel free to contact us if you have any questions when using the product. BulletPoint7 : 【 Worry -Free Warranty 】 We provide return and refund without reason in 30 days, and 36-month warranty, and lifetime technical support. Color : 1Pcs Rose Gold CompatibleDevices : MP3 Player, Laptop, Headset, Headphone,Smartphone CompatibleDevices1 : Headset CompatibleDevices2 : Smartphone CompatibleDevices3 : MP3 Player ConnectivityTechnology : AUX ConnectorType : USB, AUX ConnectorType1 : USB ConnectorType2 : Aux ContainsBatteryOrCell : battery CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 860013573324 ExternallyAssignedProductIdentifier10 : 0852675016417 ExternallyAssignedProductIdentifier11 : 00871015005454 ExternallyAssignedProductIdentifier2 : 0860013573324 ExternallyAssignedProductIdentifier3 : 871015005416 ExternallyAssignedProductIdentifier4 : 871015005393 ExternallyAssignedProductIdentifier5 : 0871015005416 ExternallyAssignedProductIdentifier6 : 4016138720617 ExternallyAssignedProductIdentifier7 : 4050310005987 ExternallyAssignedProductIdentifier8 : 0871015005454 ExternallyAssignedProductIdentifier9 : 0871015005393 Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryInEquipment Hazmat11 : EG_SmallLithiumIonBatteryInEquipment Hazmat12 : ES_SmallLithiumIonBatteryInEquipment Hazmat13 : FR_SmallLithiumIonBatteryInEquipment Hazmat14 : GB_SmallLithiumIonBatteryInEquipment Hazmat15 : IE_SmallLithiumIonBatteryInEquipment Hazmat16 : IN_SmallLithiumIonBatteryInEquipment Hazmat17 : IT_SmallLithiumIonBatteryInEquipment Hazmat18 : JP_SmallLithiumIonBatteryInEquipment Hazmat19 : MX_SmallLithiumIonBatteryInEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryInEquipment Hazmat21 : PL_SmallLithiumIonBatteryInEquipment Hazmat22 : SA_SmallLithiumIonBatteryInEquipment Hazmat23 : SE_SmallLithiumIonBatteryInEquipment Hazmat24 : SG_SmallLithiumIonBatteryInEquipment Hazmat25 : TR_SmallLithiumIonBatteryInEquipment Hazmat26 : US_SmallLithiumIonBatteryInEquipment Hazmat27 : ZA_SmallLithiumIonBatteryInEquipment Hazmat28 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryInEquipment Hazmat5 : AU_SmallLithiumIonBatteryInEquipment Hazmat6 : BE_SmallLithiumIonBatteryInEquipment Hazmat7 : BR_SmallLithiumIonBatteryInEquipment Hazmat8 : CA_SmallLithiumIonBatteryInEquipment Hazmat9 : CN_SmallLithiumIonBatteryInEquipment IncludedComponents : Crown XTi4002 IncludedComponents1 : Voice amplifier*1 IncludedComponents2 : 3.5mm headset microphone*1 IncludedComponents3 : USB charging cable*1 IncludedComponents4 : User manual*1 IncludedComponents5 : Waistband*1 IncludesRechargableBattery : 1 ItemName : SHIDU 30W Wireless Voice Amplifier with Lavalier Microphone, Bluetooth Voice Amplifier for Teachers, Portable Voice Amplifier with Bluetooth speaker with microphone for Classroom,Speech,Training ItemPackageDimensions_Height : 18.796 centimeters ItemPackageDimensions_Length : 7.6962 centimeters ItemPackageDimensions_Width : 16.002 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : power-amplifiers Manufacturer : SHIDU Material : Acrylonitrile Butadiene Styrene (ABS) MinimumSupplyVoltage : 100 ModelName : XTi4002 ModelNumber : SHIDU-M2-U66 MountingType : Tabletop MountingType1 : Tabletop MountingType2 : Floor Standing NumberOfBoxes : 1 NumberOfChannels : 1 NumberOfItems : 1 NumberOfLithiumIonCells : 1 OutputPower : 1200 watts OutputWattage : 10 watts PackageTypeName : Box PartNumber : S26 PowerSourceType : Battery Powered ProductDescription : SHIDU Voice Amplifier for Teacher, Voice Amplifier with Wireless Lavalier Microphone, Portable Speaker with Wireless Microphone, Bluetooth Microphone and Speaker for Teachers Classroom, Training, Speech, Yoga ProductSiteLaunchDate : 2025-04-24T06:51:31.326Z Size : 1200-Watts SpecificationMet : Industry Standards Met Style : 1200 watts power SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 52161500 Voltage : 100 volts_of_alternating_current WarrantyDescription : 1 year manufacturer.