Rechargeable Sound Amplifier with Digital Noise Reduction for Portable Carrying

Charging function: we offer a USB charger so you can save yourself buying batteries. Use the power switch to easily turn the device on/off. Adjust the volume by simply touching the button without tools. And it can be charged anywhere there is a USB socket, e.g. on company computers, home sockets, etc.
Charging box: With the current smaller appearance as well as the small charging case, you will meet your convenience to carry as well as invisible wear, use anywhere, anytime.
Lightweight and small: the machine itself is ultra-low background noise and ultra-light weight body, you won’t even feel its presence
【Digital Sound Amplifier】Advanced digital signal processing technology provides a high quality of natural sound, detects and identifies sound waves and changes the amplification of the channel in which the noise is located to make normal speed clearer.
【After-Sale Warranty】We guarantee you a 3-year warranty, at the same time we will answer all questions for you if you are not satisfied, we guarantee that you will receive a full refund. Thank you for your purchase.