Introduction
This manual provides detailed instructions for the safe and effective use of your Hoco DES03 Bluetooth Headset Earbuds. Please read this manual thoroughly before using the product and retain it for future reference.
The Hoco DES03 Bluetooth Headset Earbuds offer a seamless wireless audio experience with advanced features. They are designed for comfort and high-quality sound reproduction.
Safety Information
- Do not expose the earbuds or charging case to extreme temperatures, humidity, or liquids.
- Avoid dropping, impacting, or disassembling the device.
- Use only the provided charging cable or a certified charger.
- Prolonged exposure to high volume levels may cause hearing damage. Adjust volume to a safe level.
- Keep out of reach of children.
Package Contents
Verify that all items are present in the package:
- Hoco DES03 Bluetooth Headset Earbuds (Left and Right)
- Charging Case
- USB Charging Cable
- User Manual
Image: Hoco DES03 Earbuds and Charging Case in their retail packaging, showing the product as it would appear when unboxed.
Product Overview
Familiarize yourself with the components of your Hoco DES03 earbuds and charging case.
Image: The Hoco DES03 earbuds are shown partially removed from their white charging case, highlighting their design and the charging contacts.
Image: A top-down view of the Hoco DES03 earbuds resting inside their open charging case, showing the compact design.
Earbud Features:
- Touch Control Area
- Microphone
- Charging Contacts
- Speaker
Charging Case Features:
- Charging Port
- LED Indicator Light
- Wireless Charging Coil (for wireless charging models)
Setup
1. Charging the Earbuds and Case:
Before first use, fully charge the earbuds and the charging case.
- Place the earbuds into the charging case. Ensure they are properly seated.
- Connect the USB charging cable to the charging port on the case and to a 5V power source (e.g., computer USB port, wall adapter).
- The LED indicator on the case will show charging status. It typically turns solid when fully charged.
- The Hoco DES03 also supports wireless charging. Simply place the charging case on a compatible wireless charging pad.
- Charging time is approximately 1 hour for a full charge.
2. Pairing with a Bluetooth Device:
The earbuds will automatically enter pairing mode when removed from the charging case.
- Ensure the earbuds are charged.
- Open the charging case and remove both earbuds. They will automatically power on and attempt to pair with each other.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices. You should see "Hoco DES03" or a similar name in the list.
- Select "Hoco DES03" to connect. Once connected, you will hear a confirmation tone, and the LED indicator on the earbuds may change.
- If pairing fails, place the earbuds back into the case, close the lid, wait a few seconds, and then repeat the steps.
Operating Instructions
Power On/Off:
- Power On: Remove earbuds from the charging case. They will power on automatically.
- Power Off: Place earbuds back into the charging case and close the lid. They will power off automatically.
Touch Controls:
The Hoco DES03 earbuds feature touch-sensitive controls. Specific functions may vary slightly based on your device and operating system.
| Action | Function |
|---|---|
| Single Tap (Left/Right Earbud) | Play/Pause Music, Answer/End Call |
| Double Tap (Right Earbud) | Next Track |
| Double Tap (Left Earbud) | Previous Track |
| Triple Tap (Left/Right Earbud) | Activate Voice Assistant (Siri, Google Assistant) |
| Long Press (Left/Right Earbud) | Reject Call |
Call Management:
- Answer Call: Single tap either earbud.
- End Call: Single tap either earbud during a call.
- Reject Call: Long press either earbud.
Music Playback:
- Play/Pause: Single tap either earbud.
- Next Track: Double tap the right earbud.
- Previous Track: Double tap the left earbud.
Maintenance
- Clean the earbuds and charging case regularly with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners or solvents.
- Keep the charging contacts on the earbuds and inside the case clean to ensure proper charging.
- Store the earbuds in their charging case when not in use to protect them and keep them charged.
- Avoid exposing the device to extreme temperatures or direct sunlight.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Earbuds not charging | Ensure earbuds are correctly seated in the case. Check charging cable and power source. Clean charging contacts. |
| Earbuds not pairing | Ensure Bluetooth is enabled on your device. Place earbuds back in case, close, then reopen and try pairing again. Forget "Hoco DES03" from your device's Bluetooth list and re-pair. |
| Only one earbud working | Place both earbuds back in the case, close the lid, and wait for 10 seconds. Remove them simultaneously. Ensure both are charged. |
| Poor sound quality or disconnections | Ensure earbuds are within Bluetooth range (10m). Check for interference from other wireless devices. Recharge earbuds. |
Specifications
| Feature | Detail |
|---|---|
| Wireless Connection | Bluetooth V5.0 (JLAC6936D chip) |
| Support Protocols | A2DP, AVRCP, Headset, Hands-free |
| Connection Distance | 10m |
| Transmission Frequency | 2.4GHz |
| Charging Voltage | DC 5V |
| Charging Time | About 1 hour |
| Music and Talk Time | About 2.5 hours |
| Standby Time | 200 hours |
| Charging Case Capacity | 320mAh |
| Wireless Charging Support | Yes |
| Sensitivity | 92 dB |
| Headphones Form Factor | In Ear |
Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or contact the HOCO customer service directly. You can typically find contact details on the official HOCO website or on the product packaging.
Please retain your proof of purchase for any warranty claims.
