Description: Amplify sounds up to 40 decibels. Weight less than 10 grams, super lightweight. 6 volume levels. Adjust to either ear. Battery Type: AG13 button cell battery (not included). Increase volume gradually to avoid sudden increase in sound. Specifications: Color: Beige Original box: Yes Amplifier Size: 55*55*10mm Item size: 83*82*28mm Package size82*21*190mm Item Type: Ear Care Material: Plastic Model Number: JZ-1088A Features: Sound Amplifier Specifications: Best sound amplifier adjustable tone hearing aids aid. It is a best sound amplifier adjustable tone hearing aids aid. Super mini size and light weight, not easily to be seen. 100% brand new sound amplifier behind the ear. Adjust volume to the minimum before wearing. Choose an earplug of slightly bigger size to avoid whistler. Package Included: 1 x Ear Sound Amplifier 3 x Earplug Of Different Size 1 x Storage Box Notes: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2.Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 3.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. Thank you for understanding.