If you use iphone 11 wide angle lens or external wide angle lens applied to smartphones to shoot, you may include the gimbal arm into image and you need move your phone away from gimbal then you need the counterweight to keep balance.

Specially designed for DJI OSMO Action Camera. Ideal for diving, surfing, snorkeling and other water sports activities. It has wonderful water-resistant characteristics.

With this plate, you can use your DJI OSMO Action Gopro on smartphone handheld gimbal, solve the microphone mounting problem.