Handsets and Headsets laboratories may also do the following tests:

Audio Quality Testing: Assesses sound clarity Testing
range Testing
and noise cancellation capabilities Testing
Durability Testing: Evaluates how well headsets and handsets withstand physical stress and long-term use Testing
Battery Life Testing: For wireless models Testing
tests the duration of battery charge under various usage scenarios Testing
Ergonomic Testing: Ensures devices are comfortable for prolonged use Testing
particularly important for headsets Testing