Shenzhen Jiechen Technology AS21 Bone Conduction Earphone User Manual
- June 9, 2024
- Shenzhen Jiechen Technology
Table of Contents
Shenzhen Jiechen Technology AS21 Bone Conduction Earphone
User Manual
Manual before operating your device., in order to avoid unnecessary injuries,
please do not disassemble this product by yourself, and please use a standard
charger
Product Contains
Product Specification
- Driver: 16.2mm
- Support Profile: HFP/AVRCP/ A2DP
- Headphone Charging Time: Up to 1.5 Hour
- Working Voltage: 5V
- Transmission Range: Up to 10m
- Working Temperature: -30°- 70
Power On/off
- Headphones will power and connect when you press and hold the MFB button for 2 seconds.
- Headphones will power off and disconnect when you press and hold the MFB button for 3 seconds under power-on mode.
- Headphones will not power on, please use the charging cable to charge headphones.
Bluetooth Pairing
When you use earbuds first time, please connect your ellphone laptop, check
the white and green LED light Mash on earbuds Turn on the Bluetooth page on
your cellphone or laptop and open the cellphone Bluetooth.Select “AS21” to
connect the device, the white and red light off when you connect the
cellphone.The device will automaticaly tum off if not connected cellphone
within 5 minutes.
Reset Earbuds
When your headphone got a problem, please try to reset headphone.When
headphone power off, press and hold MFB button for 10 second to reset
.
Product Wear
- Step1: Take out the headphones overyour head.
- Step2: From top to bottom, place the ear hook behind your ear.
- Step3:Adjust by twisting for comfort and secure.
Product Control
Product Charging
Connect the Charging cable to charge the headphone.
Warranty
The waranty covers your device, induding accessories against manufacturing defects for 1 year from the date of purchase.
Which that are not covered in the warranty.
Unauthorized tampering, modifications or repairs of the device. Physical
damage of the device on the aecount of abuse, handling, storage, installation
or testing including any use that is not in accordance with the product manual
Certification
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.”
FCC ID: 2A7GB-AS21
Safety For You
- Do not expose the device to liquids, moisture or humidity. It has electronics and a battery in it Neither of them likes getting wet.
- Don t use abrasive cleaning solvents to clean your device. Wipe them down with a slightly damp cloth when necessary.
- Remove and clean the earbuds tips regularly, to ensure that you always enjoy the best sound possible from your device.
- Do not expose the device to extremely high or low temperatures as this may damage the battery or even deform the plastic parts.
- Don’t throw your device in an afire to dispose of it. The internal battery may explode.
-
- Don’t try to disassemble your device. There are no user-serviceable parts inside it. drcp your device and keep it away from sharp objects such as keys in your pockets.
- Only charge your device from 5V USB ports such as phone chargers and laptops or PCs.
- Never listen to music at high volumes or you may permanently damage your hearing
- Pay attention to your surroundings and never wear any headphones while riding, driving, or walking in traffic. You do not come with any warranty.
FCC STATEMENT
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 on modifications not expressly approved by the party responsible for compliance could void the users 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 occun in a particular installation. f this equipment does cause harmful interference to radio on television reception which can be determined by turning the equipment off and on, the usen is encouraged to try to correct the interference by one on more of the following measures
- Reorient on relocating the receiving antenna.
- Increase the separation between the equipment and the receiver.
- Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer on an experienced radio/TV technician for help.
The device has been evaluated to meet the general RF exposure requirements. The device can be used in portable exposure conditions without restriction.
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