Description: Package: Includes 1 hearing aid, 1 USB Cable, 4 earplugs, 1 manual, 1 brush for easy cleaning and maintenance.Easy to Use: This hearing aid is designed with user friendly features and comes with an instruction manual to guide you through the setup process.Simple Operate: Volume adjustment, scroll wheel to control the sound, easy to use, very suitable for elder. Small and Lightweight: Our hearing amplifier is extremely small in size and light in weight that makes it of the tiniest devices available.Advanced Technology: Highly advanced technology makes this good hearing amplifier. Size Chart: 1.8cmx1.6cm/0.71inchx0.63inch Package Includes: 1 Hearing Amplifier1 USB Cable4 Earplugs1 Brush1 Manual Note: Please allow slightly errors due to manual measurement and different monitors.