1. Introduction
Thank you for choosing the HOCO ES40 Genial TWS Bluetooth Wireless Headset. This manual provides detailed instructions for the proper use, setup, and maintenance of your new wireless earbuds. Please read this manual thoroughly before using the product to ensure optimal performance and longevity. This headset is designed for use with various Bluetooth-enabled devices, including mobile phones.
2. Product Overview
The HOCO ES40 headset consists of two wireless earbuds and a portable charging case. Familiarize yourself with the components for ease of use.

Image 2.1: HOCO ES40 earbuds placed inside their open charging case, showing the ear hook design and charging indicators.

Image 2.2: A close-up view of a single HOCO ES40 earbud, highlighting the ergonomic ear hook and the control button area.

Image 2.3: The HOCO ES40 charging case in a closed position, displaying the 'hoco.' brand logo on the top surface.
3. Package Contents
Upon opening your HOCO ES40 package, please verify that all the following items are included:
- HOCO ES40 TWS Bluetooth Wireless Earbuds (Left and Right)
- Wireless Charging Case
- USB Charging Cable (typically included with such devices)
- User Manual (this document)
4. Setup
4.1. Charging the Headset
Before initial use, it is recommended to fully charge both the charging case and the earbuds.
- Charging the Case: Connect the USB charging cable to the charging port on the case and to a suitable USB power source. The charging indicator on the case will illuminate to show charging status. The charging case takes approximately 2 hours to fully charge.
- Charging the Earbuds: Place the earbuds into their respective slots in the charging case. Ensure they are correctly seated. The earbuds will begin charging automatically. The headset charging time is approximately 1 hour.
4.2. Bluetooth Pairing
Follow these steps to pair your HOCO ES40 headset with your device:
- Power On: Open the charging case and remove both earbuds. They will automatically power on and enter pairing mode.
- Activate Bluetooth: On your smartphone or other Bluetooth-enabled device, navigate to the Bluetooth settings and ensure Bluetooth is turned on.
- Select Device: In the list of available Bluetooth devices, locate and select "HOCO ES40".
- Confirm Pairing: Once selected, your device should confirm that the headset is connected. You may hear an audible confirmation from the earbuds.

Image 4.1: A smartphone screen showing the Bluetooth settings with "HOCO ES40" listed as a connected device, next to the open charging case with earbuds.
The headset uses Bluetooth V5.0 for a stable and efficient connection.
5. Operating Instructions
Once paired, you can control various functions of your HOCO ES40 headset.
5.1. Power On/Off
- Power On: The earbuds automatically power on when removed from the charging case.
- Power Off: Place the earbuds back into the charging case. They will automatically disconnect and power off.
5.2. Music Playback
The earbuds feature touch-sensitive controls for music management:
- Play/Pause: Tap either earbud once.
- Next Track: Double-tap the right earbud.
- Previous Track: Double-tap the left earbud.
5.3. Call Management
Manage your phone calls directly from the earbuds:
- Answer/End Call: Tap either earbud once during an incoming call or an active call.
- Reject Call: Press and hold either earbud for approximately 2 seconds during an incoming call.
6. Maintenance
Proper care and maintenance will extend the life of your HOCO ES40 headset.
- Cleaning: Use a soft, dry, lint-free cloth to clean the earbuds and charging case. Avoid using abrasive materials or harsh chemicals.
- Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage. Store in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To maintain battery health, avoid fully discharging the batteries frequently. Charge the device regularly, even if not used for extended periods.
- Water Exposure: The earbuds are not waterproof. Avoid exposure to water, rain, or excessive moisture.
7. Troubleshooting
If you encounter issues with your HOCO ES40 headset, refer to the following common solutions:
- Earbuds not pairing with each other: Place both earbuds back into the charging case, close the lid, wait a few seconds, then open the lid and remove them again. This often resets their connection.
- Earbuds not connecting to device: Ensure Bluetooth is enabled on your device. Forget the "HOCO ES40" from your device's Bluetooth list and attempt to pair again. Ensure the earbuds are charged.
- No sound from one earbud: Check if both earbuds are charged. Try placing them back in the case and reconnecting.
- Charging issues: Ensure the charging cable is securely connected to both the case and the power source. Try a different USB port or power adapter. Clean the charging contacts on the earbuds and inside the case.
- Low volume: Adjust the volume on both your connected device and the earbuds (if volume control is available via touch, though not explicitly stated for this model).
8. Specifications
Below are the technical specifications for the HOCO ES40 Genial TWS Bluetooth Wireless Headset:
| Feature | Specification |
|---|---|
| Bluetooth Specification | Bluetooth V5.0 JL6936D |
| Headset Battery Capacity | 50mAh (single headset) |
| Charging Case Battery Capacity | 400mAh |
| Headset Charging Time | Approximately 1 hour |
| Charging Case Charging Time | Approximately 2 hours |
| Talk / Music Time | 5 hours |
| Standby Time | 200 hours |
| Dimensions (Case) | 78 * 78 * 46mm |
| Weight (Total) | 109g |
| Weight (Single Headset) | 10g |
| Color | Black |
| Headphones Form Factor | In Ear |
| Connectivity Technology | Wireless |
| Compatible Devices | Cellphones |
| Material | Plastic |
9. Warranty and Support
The HOCO ES40 Genial TWS Bluetooth Wireless Headset comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included in your product packaging or visit the official HOCO website. For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact your retailer or the HOCO customer service department.





