Rechargeable Sound Amplifier Comfortable Wear Clear Sounds Noise Reduction Hearing Aids Us Plug 100?240V

Item Type: Rechargeable Sound Amplifier Material: Abs, Silicone Power Supply: Lithium Battery (Included) Battery Capacity: 600 Mah Charging Time: About 3 Hours Working Time: About 8-10 Hours Charger Plug: Us Plug 100-240V How To Use: To Start, Follow The Instructions (1-3) Below To Charge 2 Times Of The Rechargeable Sound Amplifier 1. Slide Down The Switch Located On The Back Of The Headset To Turn Off The Rechargeable Sound Amplifier. 2. Connect The Adapter Power Cable To The Rechargeable Base And Plug The Other End Of The Adapter Power Cable Into A Socket. When Inserting, The Red Light On The Adapter Will Light Up, And The Green Light On The Instrument Will Light Up Simultaneously. 3. Place The Rechargeable Sound Amplifier In The Charging Base. If The Connection Is Correct, The Instrument'S Green Light Will Change To Red. Rechargeable Sound Amplifiers Come With An Additional 6 Different Silicone Ear Tips. Choose A Silicone Tip That Best Fits Your Ear And Is Placed On A Rechargeable Sound Amplifier That Can Be Worn On Your Right Or Left Ear. Below The Volume Wheel Is The On/Off Switch. This Must Be Used In The "On" Position Or In The "Up" Position And Slide Down The "Off" To Turn Off The Device. Remove The Ear Flap And Place It On Top Of The Desired Ear. The Ear Piece Will Bend Around And Fit Behind The Ear. Then Pick Up The Earplug Of The Rechargeable Sound Amplifier At The End Of The Small Wire And Carefully Insert It Into The Ear Canal. Please Adjust The Volume To The Desired Volume.