Rechargeable Sound Device with Charging Case- Auto Turn on/Off & Noise Cancellation Function,Clear Sound & Adjustable Volumes

All-day Powered with Rechargeable Charging Case: Each decvice offers runtime of up to 20 hours on a single charge, coming with portable charging case provide up to 3 additional recharges and can be charged wirelessly. Please charge the sound devices before using them for the first time (A full charge takes approximately 2 hours). Small& Lightweight &Discreet: Elctrtici Sound Devices are smaller in their sizes while provide more comfortable fit for wearing, more natural and effortless conversations experiences. Please note: The products are rechargeable with built-in batteries which are not replaceable, and the products do not support Bluetooth connection. Auto Turn On/Off & Adjustable Volumes: User-friendly sound devices feature straightforward buttons for volumes adjustment-no more complicated settings. The device will automatically turn on when you open the case and take it out. Similarly, it will turn off when you put it back in and close the lid. Just put sound device on and connect to the conversations instantly. Clear, Natural Sound Quality : Built-in smart DSP chip reduces background noise and enhances speech clarity, the sound devices allow for effortless connections to conversations in different environments, keep the daily listening available--like watching TV, taking calls, enjoying musics. How to Wear Properly: Hold the device upright with the removal handle facing the bottom. Push the ear dome into your ear canal and press with gentle force to ensure a tight and secure fit. How to Place the Devices in Charger Case Properly: Place the sound device in the charger with the removal string into the hole, keeping the removal string straight. Ensure the charging contacts get a solid contact with the charging points. Reliable 1-Year W-arranty:Your satisfaction is our priority. Our 365-day w-arranty guarantees expert support for any questions or issues. Contact us anytime-we’re here to help!