Xiaomi Yuemi Single-axis Stabilizing Gimbal Stabilizer costs just $40
Xiaomi has introduced an inexpensive stabilizer for smartphones Yuemi Single-axis Stabilizing Gimbal.
The gadget is offered in China for only $40. It supports automatic horizontal locking and easy switching between horizontal and vertical modes. 
To control the application on the smartphone is not required, the remote control is connected to the smartphone via Bluetooth. The manufacturer promises effective stabilization during shooting on a smartphone in real time.
The device in an aluminum case weighs 229 grams. The handle can be extended 420 mm. A 450 mAh battery provides a couple of hours of continuous use without recharging. It is based on a 32-bit SoC on the ARM core and a six-axis gyroscope.