100% brand new and high quality Features: Made of high-quality ABS material, skin-friendly, non-toxic, safe and durable. Mini hearing aid can helps with people who has weak hearing problems, provides them loud and clear sound. It features volume control button, and users can adjust the volume as needed. Please increase the volume gradually to avoid sudden increase in sound. Enhance vocal while eliminating background noise. Small size, invisible style sound amplifier makes you more confident. Rechargeable, more convenient to use. Universal style fits for both left and right ears. Portable and lightweight, easy to carry around, suitable for travel, outdoors and some situations require sound amplification. Specifications: Item Name: Rechargeable Sound Amplifier Material: ABS Power Voltage: 1.2V Working Current: Less than 3mA Signal to Noise Ration: Less than 28db Frequency: 100-4000Hz Gain: 30db Distortion: Less than 6% Optional Plug Type: US/EU plug Color: As pictures shown Package Size: app.15x10.5x5cm/5.91x4.13x1.97in Quantity: 1set Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Sound Amplifier 1 x Charger Adapter (US/EU Plug) 1 x USB Charging Cable 1 x Charger Docking Station 6 x Earplug 1 x Cleanning Brush 1 x User Manual (other accessories demo in the picture is not included.)