Rechargeable Sound Amplifier Voice Enhancer Device and Personal Audio

【Adjustable Mode】You can choose from 3 different frequency modes and 4 volume levels to ensure that you can fit in different volume environments. Comfortable size, easy to wear anywhere and anytime. 【Rechargeable】 The machine is fully charged for about 2 to 4 hours and can be used for about 80 hours. Keep it in a small case, easy to carry and go out. (Tip: This is USB rechargeable, no need to replace the battery often) 【Continuous cleaning】The machine comes with cleaning equipment, you can clean your machine at any time. 【Gift Package】In addition, we will give you a box for you to carry and three earbuds for you to change the most suitable size. The adjustment lever can adjust the volume. 【Customer Service】I always adhere to the principle of customer first, and I sincerely hope that every customer can feel satisfied with our service. If you have any questions, I also hope you can contact me at any time, and I will be ready to answer any questions you may have. Thank you for liking my products.