ibstone hearing aid (set of 2), advanced rechargeable behind-the-ear (bte) ear aid for seniors and adults, crystal clear sound with noise cancellation, 4 adaptive programs ibstone <b>feature of ibstone vive20</b><br> 100% rechargeable <br> 4 programs for different environment<br> save thousands for the same technology<br> abundant accessories for your comfortable choice<br><br> <b>a full day's power for every day.</b><br> simply set your hearing aids in their charger at night, and you'll wake up to fully-powered devices in the morning. your hearing aids take just three hours to fully charge, then work for 20 hours. and, if you forget to charge, a quick 30 minutes will provide another six hours of use. - it couldn't be easier to use ibstone vive30 rechargeable hearing aids. <br><br> <b>what's in the box</b><br> 2 x vive20 device 1 x charging base 2 x left tube<br> 1 x user manual 1 x ac adapter 2 x right tube <br> 1 x cleaning tools 1 x type-c cable 2 x 5 sizes of domes<br>