• 【Sound Amplifier】:Two gear adjustment, N gear: normal frequency, suitable for quiet environment, gear: , suitable for noisy environment.It is boasts up to 80 hours of battery life .works outdoors, indoors, and virtually anywhere.
• 【Perfect design】:personal voice Amplifier have small design to fit tightly in the ear canal.Silicone earplugs, suitable for most ears, pocket size for easy carrying.
• 【Rechargeable】:The high quality hearing built in 120mAh lithium battery, USB charging.
• 【Application】:loudspeaker turn the volume to the minimum before wearing, and gradually increase the volume to avoid sudden increase in sound.
• 【Great Gift】:Pocket sound amplifier makes a ideal gift for seniors, audiologists, adults, nurses, healthcare providers, hospital buyers.

1 Usb Cable1 Us Plug