FeiyuTech US-V04-IM-BLE
FeiyuTech VB4 Smartphone Gimbal Stabilizer User Manual
Model: US-V04-IM-BLE
Brand: FeiyuTech
1. Introduction
This user manual provides detailed instructions for the safe and effective operation of your FeiyuTech VB4 Smartphone Gimbal Stabilizer. Please read this manual thoroughly before using the device to ensure proper setup, optimal performance, and to prevent damage.

The FeiyuTech VB4 Smartphone Gimbal Stabilizer in its extended configuration with a smartphone attached, ready for use.
2. Product Overview
2.1 Components and Controls
Familiarize yourself with the various parts and controls of your VB4 gimbal:

Detailed view of the VB4 control panel, highlighting the Bluetooth indicator, Status/Battery indicator, multi-function knob, joystick, M button, album button, and shutter button.
- Bluetooth Indicator: Shows Bluetooth connection status.
- Status/Battery Indicator: Displays charging and power status.
- Knob: Multi-function control for zoom/focus and axis control.
- Knob Function Switching Button: Toggles the knob's function.
- Shutter Button: Captures photos or starts/stops video recording.
- Follow Status Indicator: Indicates the current follow mode (Pan Follow, Follow, All Follow, Lock).
- Joystick: Controls the tilt and pan movement of the gimbal.
- M Button: Mode button for switching between gimbal modes.
- Album Button: Accesses the photo/video album.
2.2 Key Features
- 3-Axis Stabilization: Provides smooth, shake-free footage.
- Built-in Extendable Pole: Extends up to 216mm for wider shots and selfies.
- AI Tracking: Automatically tracks faces or objects.
- Gesture Control: Initiate photo/video capture and tracking with hand gestures.
- Lightweight and Foldable Design: Easy to carry and store, weighing only 335g.
- Ergonomic Grip: Comfortable and effortless to hold for extended periods.

The built-in 216mm extendable pole allows for versatile shooting angles, with the head rotating 0-90 degrees.

The unique tilted handle design provides a comfortable and effortless grip, reducing fatigue during long shooting sessions.

Weighing just 335g, the VB4 features a lightweight and foldable design for easy portability and storage.
3. Accessories
3.1 Standard Accessories
The following items are included with your FeiyuTech VB4:
- Main body of the VB4 gimbal
- Tripod
- USB-C charging cable
- Portable storage bag
- Quick Guide Manual

Contents of the standard package for the FeiyuTech VB4 gimbal.
3.2 Optional Accessories
Enhance your VB4 experience with these optional accessories:
- Magnetic Fill Light: For improved lighting in low-light conditions.
- Tracking Module: For advanced real-time subject tracking.
4. Setup
4.1 Installing the Tripod
Attach the included tripod to the 1/4'' screw hole located at the bottom of the gimbal handle.

Securely attach the tripod to the base of the gimbal.
4.2 Unfolding/Folding the Gimbal
To unfold the gimbal, gently extend the arm until it locks into position. To fold, reverse the process, ensuring the gimbal is compact for storage.

Steps for unfolding and folding the FeiyuTech VB4 gimbal.
4.3 Phone Installation and Balancing
It is recommended to remove your phone case before installation for optimal balance. Keep the phone logo upward and clip the phone in the center of the clamp. If the phone appears tilted, gently adjust its position to the left or right until it is horizontal and balanced.

Proper phone placement and balancing within the gimbal clamp.
Important: It is recommended to install your phone and balance the gimbal before powering on the gimbal.
4.4 Power On/Off
To power on or off the gimbal, long press the power button located on the control panel.

Location of the power button and instructions for switching between landscape and portrait modes.
5. Operating Instructions
5.1 Gimbal Modes
The VB4 offers several operating modes, indicated by the Follow Status Indicator:
- Pan Follow Mode (PF): The camera pans left and right following your hand movements, while tilt and roll axes are locked.
- Follow Mode (F): The camera follows both pan and tilt movements, keeping the roll axis locked.
- All Follow Mode (AF): All three axes (pan, tilt, roll) follow your hand movements.
- Lock Mode (L): All three axes are locked, keeping the camera pointing in a fixed direction.
Press the M button to cycle through these modes.
5.2 AI Tracking
The VB4 features intelligent AI tracking to keep your subject in frame automatically. This feature requires the Feiyu ON app and an optional tracking module for enhanced performance.
5.3 Gesture Control
Control your gimbal remotely using simple hand gestures. Ensure you are within the camera's view for gestures to be recognized.

Gestures for photo and video control: Scissors gesture to take photos, Open palm to start/stop video recording.

Gestures for subject tracking (OK gesture to start, reverse direction to stop) and switching between portrait and landscape modes (Up gesture for portrait, right gesture for landscape).
- Scissors Gesture: Take photos.
- Open Palm: Start/Stop video recording.
- OK Gesture: Start face/object tracking.
- Reverse Direction Gesture: Stop tracking.
- Up Gesture: Switch to portrait mode.
- Gesture to the Right: Switch to landscape mode.
5.4 Landscape/Portrait Mode Switch
Double-click the M button to quickly switch between landscape and portrait orientations.
5.5 Using the Extendable Pole
Gently pull the top section of the gimbal to extend the built-in pole. This allows for wider shots and group photos. The head of the extension wand can be rotated 0-90 degrees to capture different angles easily.
6. Maintenance
To ensure the longevity and optimal performance of your FeiyuTech VB4 gimbal, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the gimbal. Do not use liquid cleaners or solvents.
- Storage: Store the gimbal in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided portable bag for protection.
- Battery Care: Charge the battery regularly, even if not in use, to maintain battery health. Avoid fully discharging the battery for extended periods.
- Avoid Impact: Protect the gimbal from drops and impacts, which can damage the internal components and motors.
- Dust and Sand: Keep the gimbal away from dusty or sandy environments, as particles can interfere with the motors and moving parts.
7. Troubleshooting
If you encounter issues with your FeiyuTech VB4, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Gimbal not powering on | Low battery; Power button not pressed correctly | Charge the gimbal fully; Long press the power button for 3 seconds. |
| Gimbal vibrates or shakes | Phone not balanced; Overload (phone too heavy) | Ensure phone is centered and balanced before powering on; Check phone weight (max 260g). |
| Bluetooth connection fails | Bluetooth off on phone; App not open; Interference | Enable Bluetooth on your phone; Open the Feiyu ON app; Restart both gimbal and phone. |
| AI tracking not working | Poor lighting; Subject too far/close; Optional tracking module not installed | Ensure adequate lighting; Maintain optimal distance; Install the tracking module if desired. |
| Gimbal not responding to controls | Firmware issue; Calibration needed | Update firmware via Feiyu ON app; Perform gimbal calibration as per app instructions. |
If the problem persists after trying these solutions, please contact FeiyuTech customer support.
8. Specifications
| Specification | Value |
|---|---|
| Product Dimensions | 3.88 x 6.26 x 2.09 inches |
| Item Weight | 11.8 ounces (335 Grams) |
| Item Model Number | US-V04-IM-BLE |
| Batteries | 1 Lithium Polymer battery (included) |
| Maximum Weight Recommendation | 260 Grams |
| Folded Size | 6 inches |
| Color | Black |
| Compatible Devices | Cellphone |
| Manufacturer | Guilin FeiYu Technology Incorporated Company |
| Date First Available | August 9, 2023 |
9. Warranty and Support
For warranty information and technical support, please refer to the official FeiyuTech website or contact their customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
FeiyuTech Official Website: www.feiyu-tech.com
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.