Feature 1Stable Transmission: Bluetooth sound aid adapt to a variety of listening environments, presenting sound quality, making the sound transmission more stable. 2Easy To Carry: The charging case can be charged and stored, easy to travel, does not take up space, put it in your pocket, which is easy to take away. 3Noise Canceling Function: With the latest double noise reduction function, it can intelligently handle background noise and provide clear sound. 4Fit To The Ear: In ear contour design, rechargeable bluetooth sound aid is close fit to the ear, soft earbuds and anti drop design, comfortable to wear without falling off. 5Help Hearing Impaired: Sound amplifier can help people with hearing loss to hear again and resume normal life, provide great convenient for your daily life.Item Type: Sound Aid Earphone BoxMaterial: ABSBuilt In Battery For Charging Case: Lithium ion battery 400mAHSingle Headset Built In Battery: 30mAhScope Of Application: Ideal for the elderly and adults .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Pair Of Sound Aid1 x Charging Case6 x Earbuds2 x Instructions1 x USB Cable