Description 1. Portable and rechargeable loudspeaker to protect throat, perfect for tour guides, teachers, teachers, educators, sports instructors, cheerleaders, store sales, street addresses, etc. 2. Hands free for both hands, so you can explain the item with you and explain it on the move.Hands free and convenient for you to use both hands for a variety of tasks.Flexible arms allow you to adjust the position of the microphone freely. 3. Handsfree and small size, easy to take it with you in various places and use it.Great for both indoor and outdoor use.Since it has a built-in battery, you can easily bring it anywhere you want to use it indoors or outdoors. 4. Built-in lithium battery, can be used continuously for up to 15 hours on a full charge.Clear sound and no cracking. 5. Compact and lightweight, it feels great to hang from your shoulder or wear it on your waist while in use, and it is convenient to use both hands free.