BACKWIN 2AVBU-X51 Wireless Earbuds User Manual
- June 26, 2024
- BACKWIN
Table of Contents
BACKWIN 2AVBU-X51 Wireless Earbuds
Product Information
Specifications
- Compliance: FCC Part 15
- Conditions: Must not cause harmful interference, must accept any received interference
Product Usage Instructions
Compliance with FCC Rules
This device complies with part 15 of the FCC Rules. To ensure proper operation and compliance, follow these guidelines:
- Do not cause harmful interference using the device.
- Accept any interference received, including that which may cause undesired operation.
Modifications and Changes
Any changes or modifications to the device not expressly approved by the responsible party for compliance may void the user’s authority to operate the equipment. Follow these steps:
- Do not make any changes or modifications to the device without approval.
- Contact the responsible party for compliance for any necessary modifications.
FAQ
Q: What should I do if the device causes interference?
A: If the device causes interference, try adjusting its positioning or contact customer support for further assistance.
Q: Can I modify the device on my own?
A: No, any modifications to the device should be approved by the responsible party for compliance to avoid voiding your authority to operate the equipment.
WIRELESS EARBUDS OPERATION INSTRUCTIONS
WIRELESS EARBUDS INDICATOR LIGHT
BLUETOOTH EARBUDS PRECAUTIONS
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The sound Is partlcularty low?
A:. Because of the differences about the mobile phone’s functions, when your earbuds is connected to the mobile phone’s Bluetooth, please click the setting button on the phone Bluetooth signal behind, and then open: “Bluetooth device volume sync with mobile phone” -
Only one earbuds works? Can’t pair automatically
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A:. Step 1: Please tum off the earphone or put the earphone into the charging case, and then delete this bluetooth signal in the bluetooth settings of the mobile phone.
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Step 2: Please take the two earphones out of the charging compartment at the same time, and then observe the indicator lights of the two earphones. The indicator lights of the two earphones flash red and blue alternately at the same time, indicating that the two earphones are being paired. When the pairing of the earbuds is completed, if only one earbuds indicator lights flashes red and blue, it means that the earbuds is waiting to connect the Bluetooth of the mobile phone.
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Step 3: The mobile phone Bluetooth searches for signals, and connects the earbuds. After the earbuds is connected, the earbuds indicator lights turns off.
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Step 4: If you failed above the steps, please contact customer service to replace it foryou.
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Why the earbuds can’t be used?
A:. Step 1: Please charge the earbuds. Because the earphones have been out of t he factory for a long time, they may be out of power.
Step 2: If the first step failed, please contact customer service to replace it for you.
Afte!”sales commitment
- The headset cannot be charged
- No sound from one earphone
- The voice of the call is low or the call cannot be made
- The sound of the two earphones is different
- Broken soon
- The magnetic force of the earphone box is too strong to take out
- The earphones are slippery and cannot be taken out
- Headphones cannot be paired with each other
- The usage time of the headset does not match the description
- The outer packaging is damaged
- The earphones are easy to slip out of the ears
- The earphones cannot be used normally when exposed to rain/dropped in water
If you meet above situations, you can contact our 24-hour online customer service for replacement or full refund. The products sold by BACKWIN provide 2-year warranty, if there is any problem, we will replace a new one for you.
Contact information: Amazon Email: info@backwin.om
FCC
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.
FCC Radiation Exposure statement
The device has been evaluatec to meel general RF exposure requirement. The
device can be used in porlable exposure condition without restriction.
AUTHORIZED BUSINESS
BACKWIN TECHNOLOGY CO., LIMITED(HK)
OPERATOR
GUANGZHOU BACKWIN TECHNOLOGY CO., LIMITED
ADD:Room 402, Building A, Xunwei Creative Park, 54 Dagang West
Street, Shijing, Baiyun District, Guangzhou
Hotline: +86-20-36610959 E-mail: info@backwin.com