Fangrui Product Details 1. Description: 2. Amplify Sounds Up To 40 Decibels. 3. Weight Less Than 10 Grams, Super Lightweight. 4. 6 Volume Levels. 5. Adjust To Either Ear. 6. Battery Type: Ag13 Button Cell Battery (not Included). 7. Increase Volume Gradually To Avoid Sudden Increase In Sound. 8. Specifications: 9. Color: Beige 10. Original Box: Yes 11. Amplifier Size: 55*55*10mm 12. Item Size: 83*82*28mm 13. Package Size82*21*190mm 14. Item Type: Ear Care 15. Material: Plastic 16. Model Number: Jz-1088a 17. Features: Sound Amplifier 18. Sound Amplifier Adjustable Tone Hearing Aids Aid. 19. It Is A Sound Amplifier Adjustable Tone Hearing Aids Aid. 20. Super Mini Size And Light Weight, Not Easily To Be Seen. 21. Brand New Sound Amplifier Behind The Ear. 22. Adjust Volume To The Minimum Before Wearing. 23. Choose An Earplug Of Slightly Bigger Size To Avoid Whistler. 24. Package Included: 25. 1 X Ear Sound Amplifier 26. 3 X Earplug Of Different Size 27. 1 X Storage Box 28. Notes: 29. We Provide Clear Pictures, Measurements Where Possible. Please Check As Much As Possible To Make Sure The Item Is The One That You Need. 30. Please Allow 0.5-1 Inch Difference Due To Manual Measurement.(1 Inch=2.54cm) 31. The Color Of The Actual Items May Slightly Different From The Listing Images Due To Different Computer Screen, Thanks For Your Understanding. 32. Thank You For Understanding.