<|Features|>： 1、Clear Sound: Rechargeable hearing aid using mobile iron speakers, provide clearer sound quality, which allow you can hear sound more clearly. 2、Volume Adjust: Rechargeable sound enhancer adopted full digital circuit and adjustment volume control, which is efficient and practical for you to use. 3、Easy Communication: Hearing aids with normal and noise reduction function, allow you can easily communicate with others and provide convenience for your life. 4、Simple Operation: Hearing aid adopted unique volume control button and separate mode button, easy to operate, suitable for adults and the elderly. 5、Comfortable Wear: Elderly hearing aid adopted ABS and silicone materials, soft and skin friendly, which is lightweight and more comfortable for you to wear.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 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. 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.1 x Sound Amplifier 1 x Base 4 x Silicone Head 1 x Adaptor 1 x Data Line 1 x Cleaning Brush 1 x Manual