See if a headset can be adapted to your phone, or try a receiver shoulder rest. Making the right ergonomic adjustments to your chair, keyboard, and display are important, too. If you find the results uncomfortable or painful in any way, alter your position slightly. The Chair Adjusting the fit, title, and height of your chair is very important for proper posture and comfort. The backrest of the chair should have a snug fit against your back.
Every chair is different, but in general, look for height, lumbar support, and tilt adjustments.
If you find that you need additional lumbar support, a back cushion can be used to customize your chair. Adjust your seat tilt so you're sitting upright with your feet firmly on a surface and your lower back well supported. Set chair height so your hands and wrists are at about the same level as the home row on the keyboard. If these adjustments cause your feet to dangle, you'll need a foot rest . The recommended viewing distance is about one arm's length away from the screen.