Check the listing for details. 18W Wireless Bluetooth Waterproof Voice Amplifier Portable Headset Microphone.... Condition: New. Listed at 116.06 USD. 18W Wireless Bluetooth Waterproof Voice Amplifier Portable Headset Microphone with Speaker Small Personal Microphone for Teachers, Outdoors ✓ Free 60 Day Returns ✓ Free Express Shipping Description: Features: POWERFUL Microphone and Speaker: The portable voice amplifier comes with a WIRELESS headset microphone. UHF wireless transmission technology, 15m/50ft stable wireless connection at open area. The uhf wireless voice amplifier gives you complete freedom to walk around the room. Super 18W output, Sound covers 10000 sq.ft (1000 m2), Allows you to project your voice across a group of 20 to 65 people clearly and loudly. Ideal for MEDIUM-SIZED or SMALL room use.RECHARGEABLE Headset Speaker: The personal voice amplifier lasts a long time (8-12 hours); but wireless headset microphone lasts only 2-4 hours. f you need to use the item for a long time, we suggest you choose the wired version. Or you can buy an extra wired microphone or a 3.5mm lapel mic to go with it.ALL-IN-ONE Voice Amplifier, Bluetooth Pa Speaker, Karaoke Microphone: 1. You can easy stream the music from your Bluetooth-enabled devices like Phone, Tablet via Bluetooth and Non-Bluetooth device via Aux input. 2. The Bluetooth voice amplifier supports microphone input and music play simultaneously. 3. Also supports TF Card, U Disk and Recording function. 4.What is more, you can use this personal amplifier as a karaoke microphone to singing along.PORTABLE & DURABLE: Compact size 4.57"(Height) *3.66" (Width) * 1.65" (Thickness) and light weight (0.86 lb). IPX5 waterproof voice amplifier with TPU unbreakable silicone + durable ABS material, ensuring amplifier shockproof and waterproof. Even if you accidentally drop it to the ground, don't worry that it will break. ( NOTED: The headset microphone is NOT waterproof )BUY WITH CONFIDENCE: We always stand behind the product, reply within 24 hours and provide you with a satisfactory solution. If there is any problems, please feel free to let us know. We provide lifetime technical support for HaoWorks voice amplifiers.WARM TIPS: 1. The speaker is IPX5 waterproof and cannot be soaked in water; The headset is not waterproof. 2. When you use the voice amplifier please charge it first and keep the speaker and microphone for a distance to avoid the noise. 3. The cordless headset mic operates on UHF wireless technology, not Bluetooth, which means it is not compatible with other devices that use Bluetooth. But the amplifier can be use as bluetooth speaker. Product Details: Brand: HW HAOWORKSItem dimensions L x W x H: 3.66 x 1.65 x 4.57 inchesConnectivity Technology: UHFColor: Wireless MicrophoneCompatible Devices: Amplifier, Headphone, SpeakerMounting Type: Wireless microphonePower Source: Corded ElectricConnector Type: Aux, USBMaterial: headset microphoneItem Weight: 0.86 PoundsOutput Wattage: 18 WattsNumber of Channels: 1Audio Input: portable microphone for teachersRecommended Uses For Product: Classroom microphone for teachersFrequency Response: 16 KHzManufacturer: SHIDUUPC: 723888000060Item Weight: 13.8 ouncesProduct Dimensions: 3.66 x 1.65 x 4.57 inchesCountry of Origin: ChinaItem model number: wireless voice amplifierBatteries: 2 Lithium Polymer batteries required. (included)Date First Available: February 28, 2019Color Name: Wireless MicrophoneMaterial Type: headset microphoneBattery type: Lithium PolymerHardware Platform: Karaoke MachineWattage: 18 watts