Rolton K400 Loudspeaker Microphone Voice Amplifier Booster Megaphone Speaker For Teaching Tour Guide Promotion

NEEKFOX. Portable Speaker with Wireless Microphone: Can be used as a loudspeaker for music, communication, etc. Portable Conference Speaker with Mic: Can be used for conference meetings, music festivals, weddings, family gatherings, music shows, etc. Portable Bluetooth Speaker with Mic: Can be used as a handheld speaker with microphone, easy to carry. Bluetooth Speaker with Microphone: Bluetooth speaker with microphone can be directly connected with your device, such as your smart phone or tablet. Bluetooth Speaker Wireless: Built-in 450mah lithium battery, up to 6 hours of continuous use. Professionally amplifying sound, loud, clear, low feedback. Comfortable and convenient for Teachers, Coaches, Tour Guides, Presentations ect. Unique appearance design, small size and light structureRechargeable and replaceable 1200 mAh lithium 18650 battery. It can be used for 8 hours. Play music for about 4-8 hours volume 50%-80. Compatible with all media devices with 3.5mm AUX port as SPEAKER, supp