【Nano Hearing Aids】 - Nearly invisible that is convenient for you to attend various occasions.Very small and lightweight, no burden for ears for long time using.Ideal for most mild to moderate hearing loss..【State of the Art Design】 - Blue device for left ear, red device for right ear, pure white portable charging box. No More Battery Operation, Good for First-time Hearing Aid Wearers. Switch Settings can Save Battery Life.Obvious On/Off button for easy operation..【Super Effective Hearing Aids】 - Use layered noise reduction and directional feedback canceling technology for more natural hearing( This does not mean no noise).With noise reduction, these small devices will bring you back in the clear world..【Portable Charging Box】 - Put the hearing amplifiers to the charging box . It can be used for 25 hours after charging for 2.5 hours.(It is recommended to charge once a day.)As easy as charging a mobile phone - no need to dealing with batteries any more. It is easy to carry and can be put into a pocket..【1 Year Quality Assurance】We Are Confident That Our Device Are Manufactured Under Strict Quality Standards to Give Our Customers Best Experience, Every Product Includes a One Year Maintain, We Take Care of All Quality-related Issues.