MINISO Master Series TWS Earphones
User Manual
Model: C99
Product Structure
Charging Case
The charging case houses the earbuds and provides power for charging.
Earbuds
Two wireless earbuds, left and right, for audio playback and calls.
Charging Port
Located on the charging case, typically a USB-C port, for recharging the case.
Functions
Power On/Off
Power On: Remove earbuds from the charging case. They will power on automatically. Alternatively, press and hold the touch control area on each earbud for a few seconds.
Power Off: Place earbuds back into the charging case. They will power off automatically. Alternatively, press and hold the touch control area on each earbud for a few seconds until a power-off tone is heard.
Pairing
1. Remove earbuds from the charging case. They will enter pairing mode automatically (indicated by flashing lights).
2. On your device (phone, tablet, computer), go to Bluetooth settings.
3. Select "C99" from the list of available devices.
4. Once paired, the indicator lights will stop flashing.
Play/Pause Music
Tap the touch control area on either earbud once.
Next Track
Double-tap the touch control area on the right earbud.
Previous Track
Double-tap the touch control area on the left earbud.
Volume Up
Press and hold the touch control area on the right earbud.
Volume Down
Press and hold the touch control area on the left earbud.
Answer/End Call
Tap the touch control area on either earbud once during an incoming call or active call.
Reject Call
Press and hold the touch control area on either earbud for 2 seconds during an incoming call.
Activate Voice Assistant (Siri/Google Assistant)
Triple-tap the touch control area on either earbud.
Troubleshooting
Issue: Cannot Pair Earbuds
Solution: Ensure earbuds are charged. Reset earbuds by placing them in the case, closing the lid, waiting 10 seconds, and then opening the lid. Forget "C99" from your device's Bluetooth list and try pairing again.
Issue: No Sound from One or Both Earbuds
Solution: Check if earbuds are properly connected to your device. Ensure volume is turned up on both the device and the earbuds. Try cleaning the earbud contacts and charging case contacts.
Issue: Low Volume
Solution: Check volume levels on your device and earbuds. Ensure earbuds are seated correctly in your ears. Clean the speaker grilles.
Issue: Intermittent Connection / Audio Stuttering
Solution: Ensure you are within Bluetooth range (typically 10 meters / 33 feet). Reduce interference from other wireless devices or physical obstructions. Update your device's Bluetooth drivers.
Specifications
Feature | Details |
---|---|
Model | C99 |
Wireless Range | Up to 10m (33ft) |
Earbud Battery Capacity | Approx. 40mAh (each) |
Charging Case Battery Capacity | Approx. 300mAh |
Playtime | Up to 4 hours (earbuds), Up to 16 hours (with charging case) |
Charging Time (Earbuds) | Approx. 1.5 hours |
Charging Time (Case) | Approx. 2 hours |
Input Voltage | DC 5V ⎓ 1A (for charging case) |
FCC Compliance Information
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
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