["Description:\nbrand new and high quality\nFeatures:\nLightweight and Comfortable: Equipped with the latest upgraded chip, ultra-low Itself background noise, and ultralight weight body you fon'for t rven feel wearing It.\nAvoid Squealing Noise: Before wearing a hearing aid, please turn down the volume to the lowest. \nWhen wearing, make sure that the earplugs fit tightly with the ear canal, otherwise it will cause interference and howling. \nThen slowly increase the volume as needed until you can clearly hear outside sounds.\nGood Gift for elder: Good package and easy to use, If your elder are having soecific instances of difficulty of hearing.\nThis is a practical, efficient, cost effective hearing device.\nHigh-Sensitive Microphone. Loud Volume Amplifier Outside. Silicone Sound noise Insulation Earplug.\n\nSpecification:\nPower: 3x cell batteries(included)\nMaterial: Plastic\nSound Gain: 30dB ± 5dB\nContinuous working time: Less than 15 hours\nColor: As picture shown\nLength:app. 8cm/3.15in\nQuantity: 1 set\n\nNote:\nTransition: 1cm=10mm=0.39inch\nNo retail package.\nPlease allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Hearing Aids\n3 x Earcaps\n1 x User Manual(other accessories demo in the picture is not included.)"]