Introduction
The King Lucky i121 Open Ear Clip-On Earbuds are designed to provide a comfortable and secure audio experience while allowing awareness of your surroundings. These lightweight earbuds feature advanced Bluetooth 5.4 connectivity, IPX5 water resistance, and clear call quality with ENC noise-canceling microphones.

Image: King Lucky i121 Open Ear Clip-On Earbuds and their charging case.
What's in the Box
Upon unboxing your King Lucky i121 earbuds, you should find the following items:
- Open Ear Earbuds (x2)
- Charging Case (x1)
- User Manual (x1)
- Type-C Charging Cable (x1)
- A pair of ear clips (decorative attachments)
Image: All components included in the King Lucky i121 package.
Setup
1. Initial Charging
Before first use, fully charge the earbuds and charging case. Connect the provided Type-C charging cable to the charging port on the case and a suitable USB power source. The indicator light on the case will show charging status.
2. Pairing with Your Device
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "King Lucky i121" in the list of available Bluetooth devices and select it to connect.
- Once connected, you will hear an audio prompt, and the indicator light on the earbuds will change.
3. Wearing the Earbuds
The i121 earbuds feature an open-ear clip-on design for comfort and situational awareness.
- Ensure the earbuds are worn on the correct sides (L for left ear, R for right ear).
- Gently attach the decorative ear clip piece to the ear hook if desired.
- Open the soft part of the earbud and gently attach it to your ear.
- Slide it along the earlobe and secure it in a stable, comfortable position.
Image: Visual guide for correctly wearing the earbuds and attaching optional decorative clips.
Operating Instructions
Touch Controls
The King Lucky i121 earbuds feature intuitive touch controls for managing audio and calls:
| Action | Function |
|---|---|
| Tap x1 (L/R) | Answer Call |
| Tap x2 (L/R) | End Call / Play/Pause Music |
| Tap x1 (L) | Volume Down |
| Tap x1 (R) | Volume Up |
| Tap x3 (L) | Activate Siri |
| Tap x3 (R) | Game Mode |
| Long Press 2" (L/R) | Reject Call |
| Long Press 2" (L) | Previous Track |
| Long Press 2" (R) | Next Track |
| Tap x5 (L/R) | Factory Reset |
Image: Detailed touch control functions for the earbuds.
Features and Specifications
- Model Name: i121
- Brand: King Lucky
- Connectivity: Wireless (Bluetooth 5.4)
- Ear Placement: Open Ear
- Driver Size: 12mm Dynamic Driver
- Noise Control: Passive Noise Cancellation (ENC for calls)
- Water Resistance: IPX5 (resistant to sweat and light rain)
- Battery Life: Up to 6 hours per charge, up to 50 hours total with charging case
- Charging Time: Approximately 2 hours for full charge
- Weight: Approximately 5.2g per earbud
- Control Type: Button Control (Touch)
- Included Components: Earbuds, Charging Case, User Manual, Type-C Cable, Decorative Ear Clips
Image: Battery performance details for the earbuds and charging case.
Image: The lightweight design of the earbuds, emphasizing comfort.
Maintenance
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Water Resistance: The earbuds are IPX5 water-resistant, meaning they can withstand sweat and light splashes. Do not submerge them in water or expose them to heavy rain. Ensure they are dry before placing them back in the charging case.
- Storage: Store the earbuds in their charging case when not in use to protect them and keep them charged. Avoid extreme temperatures.
Troubleshooting
- No Sound: Ensure earbuds are charged and properly paired. Check device volume.
- Cannot Pair: Make sure Bluetooth is enabled on your device and the earbuds are in pairing mode. Try resetting the earbuds to factory settings (Tap x5 on either earbud).
- Charging Issues: Verify the charging cable and power source are working. Ensure the charging contacts on the earbuds and case are clean and dry.
- Call Quality: Ensure the microphone is not obstructed. Check for strong Bluetooth connection.
Warranty and Support
For warranty information and customer support, please refer to the documentation included in your product packaging or visit the official King Lucky website. Keep your purchase receipt for warranty claims.
Product Videos
King Lucky Clip-on Earbuds with Detachable Flower Earring
Video demonstrating the King Lucky i121 Clip-on Earbuds, highlighting their design and the detachable flower earring feature.

