Introduction
This manual provides comprehensive instructions for the WEGROWER Smart Vibrating Metronome. This wearable digital metronome offers a silent, vibrating beat, adjustable tempo, beat, and rhythm, and can be used with various musical instruments. It features both standalone operation and enhanced functionality via a mobile application.

Image: A musician wearing the vibrating metronome on their wrist while playing a guitar, illustrating its use.
Setup
1. Charging the Metronome
Before first use, fully charge the metronome using the provided magnetic USB charging cable. A full charge provides approximately 8 hours of continuous use.

Image: The metronome connected to its magnetic USB charging cable, illustrating the charging process.
2. App Download and Connection
For full functionality and customization, download the "KOPPO+" app. The app is compatible with iOS devices. Ensure Bluetooth and location services are enabled on your phone before connecting.
Video: Demonstrates the process of connecting the metronome to a phone via the KOPPO+ app, including enabling Bluetooth and location services.

Image: The metronome display alongside a smartphone showing the KOPPO+ app interface, highlighting customization options.
Operation
1. Basic Controls (Standalone Mode)
The metronome can be operated without the app. Use the physical dial and buttons for basic adjustments.
- Power On/Off: Long press the designated button.
- Adjust Tempo, Beat, Rhythm: Rotate the dial to change values. Short press to switch between tempo, beat, and rhythm settings.
- Start/Pause: Use the dedicated button to start or pause the metronome.

Image: A close-up of the metronome's display and control dial, with arrows indicating how to adjust tempo, beat, and rhythm.
2. App-Enhanced Features
When connected to the KOPPO+ app, you can access advanced customization and features:
- Customization: Adjust tempo (40-240 BPM), beat (0-9), and choose from 9 different rhythms.
- Vibration and Sound: Control vibration intensity and volume of audible beats.
- Display Settings: Adjust screen brightness and light settings.
- Time Sync: Connect via Bluetooth to sync the metronome's time with your phone.
3. Multiplayer Sync
The KOPPO+ app allows synchronization of up to 8+ iOS devices, enabling multiple users to practice together with a unified beat.

Image: A band performing, with each member wearing a metronome, illustrating the multi-player sync feature.
Maintenance
- Cleaning: Wipe the metronome with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Charging: Ensure the magnetic charging cable is securely connected during charging. Do not force the connection.
- Storage: Store the metronome in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
| Issue | Possible Solution |
|---|---|
| Metronome does not turn on. | Ensure the device is fully charged. Connect to the magnetic USB charger and allow it to charge for at least 30 minutes before attempting to power on again. |
| Cannot connect to the KOPPO+ app. | Verify that Bluetooth is enabled on your phone. Ensure location services are also turned on for the app. Restart both the metronome and the app, then try connecting again. Make sure the app is the latest version. |
| Vibration is too weak or too strong. | Adjust the vibration intensity setting within the KOPPO+ app. |
| Audible click is present despite being a vibrating metronome. | The metronome offers both vibration and an optional audible click. Adjust the volume setting within the KOPPO+ app to mute or lower the audible click. |
| Dial is difficult to turn or adjust. | Ensure the dial is clean and free from debris. If the issue persists, contact customer support. |
Specifications
- Model: Smart Vibrating Metronome
- Tempo Range: 40-240 BPM
- Beat Settings: 0-9
- Rhythms: 9 different rhythm patterns
- Connectivity: Bluetooth (iOS compatible for KOPPO+ app)
- Battery: 1 Lithium Ion battery (included)
- Battery Life: Approximately 8 hours of continuous use per charge
- Charging: Magnetic USB charging
- Item Weight: 7 ounces
- Package Dimensions: 11.77 x 2.87 x 1.26 inches
Warranty and Support
For warranty information or technical support, please refer to the manufacturer's official website or contact their customer service directly. Keep your purchase receipt for warranty claims.