Features:? Tone/decible control tuning? Hangs easily on either ear and is light weight? Cleaning and tuning tools? ON/OFF switch and volume control? Batteries includedPackaging:1* Hearing Amplifier Aid1* three batteries (1.5V LR-44)1* User ManualNOTE:As the effect varies from monitor to monitor， there is irrevocable slightly difference in colors between the color showed on your monitor and the real one， So if dear you can not accept this very little difference， be cautious before you making the orders.thanks for understanding.