Used, excellent condition.

First picture is for reference, phone not included. 2nd and 3rd pictures of actual item.

For Smartphones up to 7.4 oz
Large Left-Side Focus/Zoom Wheel
Quick-Response "PhoneGo" Mode
Dolly/Zoom "Vertigo" Effect Mode

The Smooth-4 Smartphone Stabilizer from Zhiyun-Tech, in black, has been designed to provide cine-style functions to content creators using their mobile phones for video capture. There is a downloadable ZY Play app.

Gimbal
Number of Axes 3-Axis (Pitch, Roll, Yaw)
Rotation Range Yaw (Pan): 300°
Pitch (Tilt): 240°
Roll: 240°
Load Capacity 2.65 to 7.41 oz / 75 to 210 g

Compatibility
Smartphone Dimensions Height: 2.44 to 3.35" / 62 to 85 mm

Connectivity
Ports 1 x USB Type-C

Battery
Battery Type 2 x Built-In
Capacity (mAh) 2000 mAh
Battery Runtime 12 Hours
Battery Chemistry Lithium-Ion
Voltage 5.0 VDC

Power
Operating Voltage 7.4 to 7.4 VDC
Operating Current 120 to 2500 mA (Maximum)

Environmental
Operating Temperature 14 to 113°F / -10 to 45°C

General
Mounting 1 x 1/4"-20 Female
Dimensions 12.91 x 4.84 x 4.13" / 328 x 123 x 105 mm (with Handlebar)
Weight 19.29 oz / 547 g (with Handlebar and Battery)