Product Overview
The GCBIG Wireless Earbud Sport (Model: I25L) offers a high-fidelity stereo audio experience with advanced Bluetooth 5.1 technology, ensuring stable and fast connections. Designed for active lifestyles, these earbuds feature secure earhooks and IPX7 waterproofing, making them suitable for sports and outdoor activities. An intuitive LED display on the charging case provides clear battery status, and touch controls allow for easy management of music and calls. With up to 48 hours of total playtime using the charging case, these earbuds are built for extended use.

The GCBIG Wireless Earbud Sport, showcasing its design and charging case.
What's in the Box
Upon unboxing your GCBIG Wireless Earbud Sport, you will find the following components:
- 2 x Wireless Sports Earbuds (Left and Right)
- 1 x Charging Case
- 1 x USB Cable (Type-C)
- 1 x Pair of Original Ear Caps (Medium)
- 2 x Pairs of Spare Ear Caps (Small, Large)

All components included with your GCBIG Wireless Earbud Sport.
Setup
1. Charging the Earbuds and Case
Before first use, ensure both the earbuds and the charging case are fully charged. Connect the provided USB-C cable to the charging port on the case and a compatible power source. The LED display on the charging case will show the battery percentage of the case, while individual LED bars indicate the charging status of each earbud. The LED bars will flash during charging and turn off once fully charged. A full charge for the case takes approximately 1.5 hours.

LED display on the charging case indicating battery levels.

Battery life and charging time overview.
2. Wearing the Earbuds
Select the ear tips that provide the most comfortable and secure fit for your ears. The earbuds are designed with soft earhooks that fit around your ear to ensure stability during movement. Gently insert the earbud into your ear canal and adjust the earhook to rest comfortably and securely over your ear.

Ergonomic design for comfortable and secure fit.

Proper wearing of the earbud with earhook.
3. Bluetooth Pairing
The earbuds feature one-step pairing. Once removed from the charging case, the left and right earbuds will automatically connect to each other. To pair with your device:
- Ensure Bluetooth is enabled on your smartphone or device.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device, go to Bluetooth settings and search for “I25L”.
- Select “I25L” to connect. Once successfully paired, the earbud LED lights will turn off.
- For subsequent uses, the earbuds will automatically reconnect to the last paired device when taken out of the case.

Automatic pairing process with a smartphone.
Demonstration of unboxing, wearing, and Bluetooth pairing of the earbuds.
Operating Instructions
1. Touch Controls
The GCBIG Wireless Earbud Sport features intuitive touch controls on the outer surface of each earbud. The touch-sensitive area is indicated by a fingerprint icon.
- Play/Pause: Single tap on either earbud.
- Volume Up/Down: Double tap the right earbud to increase volume, double tap the left earbud to decrease volume.
- Next/Previous Song: Long press the right earbud for 1 second to skip to the next song, long press the left earbud for 1 second to go to the previous song.
- Answer/End Call: Single tap on either earbud during an incoming call.
- Reject Call: Long press on either earbud during an incoming call.
- Activate Voice Assistant (Siri/Google Assistant): Triple tap on either earbud.

Detailed touch control functions for the earbuds.
2. Power On/Off
The earbuds automatically power on when removed from the charging case and power off when placed back into the case and the lid is closed. To manually power off an earbud, long press its touch button for 3-5 seconds until you hear a “Powering Off” voice prompt. To manually power on, long press the touch button for 3-5 seconds.
The video also demonstrates how to manually power off the earbuds.
Maintenance
The GCBIG Wireless Earbud Sport features an IPX7 waterproof rating, providing protection against sweat, splashes, and rain. This makes them ideal for intense workouts and various weather conditions. However, they are not designed for swimming or submersion.
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry cloth. If necessary, use a slightly damp cloth for the exterior of the earbuds, but ensure they are completely 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 Conditions: Do not expose the earbuds to extreme temperatures, humidity, or corrosive materials.

IPX7 waterproof rating for various activities.

Earbuds suitable for running, gym, travel, work, and other activities.


