VENTION NBF Series HiFun True Wireless Bluetooth Earbuds Instruction Manual

NBF Series HiFun True Wireless Bluetooth Earbuds
Instruction Manual

NBF Series HiFun True Wireless Bluetooth Earbuds

Ture Wireless Bluetooth
HiFun Ture Wireless Bluetooth Earbuds
Instruction Manual NBF

Product Parameters

• «Modal: NEF Series
• Version: v5.3
• Bluetooth profile: AVRCP/A2DP/HFP/HSP
• Audio codec: SBC/AAC
• Effective range: 10m
• Blueteoth frequency band: 2402MHz-2480MH2
• Frequency range: 20H2-20KHz
• Earbuds battery capacity: 40mAh/0.148Wh
• Earbuds rated Input: 5v-40mA
• Charging case battery capacity: 230mAh/0.851Wh
• Charging case rated Input: 5V-260mA
• Interface type of charging case: USB-C
• Shell: ABS

Interface Instruction

1. Power on
   a. Earbuds automatically power on when you open the charging case
   b. When it is power off, hold the multi-function button for 3 seconds to power on. Within 10 seconds after the power on, it will search for the last connected device. If it fails to find, it will enter the pairing mode.

2. Pairing and connection:

3. Earbuds are ready to pair right out of the charging case. Note: If the pairing fails, please check whether the earbuds are fully charged and repeat the operation above. Or, change the function of the multi-function button to power off and restart your earbuds.

4. Open the Bluetooth menu on your device. In the list of discovered Bluetooth devices, tap or click your Vention HiFun.
   Note: For the first time pairing, please keep the pairing range within lm. After the pairing is successful, earbuds automatically power off when placed back in the case with the lid closed, and you can use either earbud independently.

5. Power off
   a: Auto power off

6. Power off automatically after not connected for more than 3 minutes

7. When the earbuds are not paired with the phone due to the long distance, it will automatically power off if it is not connected for more than 3 minutes
   b: Manual power off

8. Earbuds automatically power off when placed back in the case with the lid closed.

9. When it is connected, hold the multi-function button for7 seconds and make sure the earbuds are not playing, and the earbuds will power off after the red light is on for 1 second.

Packing List

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For warranty service or support, please contact Vention team:
Website: www.ventiontech.com
Email: vention@ventiontech.com
4. Music mode:

• Play: Press the multi-function button once (left or right)
• Pause: Press the multi-function button once (left or right)
• Skip backward: Pressthe multi-function button of the left earbud twice
• Skip forward: Press the multi-function button of the right earbud twice

5. Phone mode:

• Reject the call: Press the multi-function button for 2 seconds (left or right)
• Answer the phone: Press the multi-function button once (left or right)
• Hang up: Press the multi-function button once (left or right)

6. Activate Siri voice assistant:
When it is connected, press the multi-function button for 2 seconds (left or right)to activate your Siri voice assistant within your iOS settings
7. Reset all settings:
When the earbuds are power off (and turn off the device’s Bluetooth function), hold down the multi-function button for about 5seconds. The earbuds will activate the pairing mode (red/white lights blink alternately), and then quickly tap the multi-function button for 4 times. After the red light is on for 1 second, the earbuds have been reset all the pairing data.
8. Charging case indicator description:
When the charging case is connected to the power supply, the red light flickers in charging, and keeps the light on after being fully charged.

Important Safety Instructions

Please read all instructions and warnings before using this product. Inappropriate use will cause damage to the product or personal safety.

1. The product contains batteries, please do not expose to sunlight, fire or similar overheated environment; do not store this product In high temperature, strong light and strong magnetic field environ ment, do not place in other harsh environment such as fire source, If your earbuds ever goes into water, please dry it naturally before using.
2. Improper use of the product can easily cause product damage or may endanger personal and property safety.
3. If consumers violate the product instructions and use them improperly, the company will not bear any consequences or legal liability for personal and property damage.
4. Non-professionals are strictly forbidden to disassemble this product.
5. Avoid using electrical appliances or loads that exceed the output current of this product.

Declaration on toxic or hazardous substances and elements contained in electronic products

Polybrominated
biphenyls (Paw| Polybrominated diphenyl ethers (Pam)
PCB| X| 0| 0| 0| 0| 0
Ceramic components| X| 0| 0| 0| 0| 0
IC components| X| 0| 0| 0| 0| 0
Charging
cable| 0| 0| 0| 0| 0| 0
Casing| 0| 0| 0| 0| 0| 0
This form has been wrote in accordance with SJ/T11364.
0 : It means that the content of hazardous and harmful substances or elements in all homogeneous materials of the component is below the limit requirements in GB/T26572 standard.
X : It Indicates that the content of the toxic substance or element in at least one homogeneous material of the component exceeds the limit requirements in GB/T26572 staanard.

FCC Warning

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.
NOTE 1 : 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. Thisequipment 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 ortelevision 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.
NOTE 2 : Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
FCC ID: 2A7Z4-NBF

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