Shengjian GT-48 TWS Bluetooth Headset User Guide
- June 1, 2024
- Shengjian
Table of Contents
Shengjian GT-48 TWS Bluetooth Headset
Product Information
Specifications
- Compliance: Part 15 of FCC Rules
- Interference Conditions : Must not cause harmful interference and must accept any received interference
- Modifications: Changes not approved may void user’s authority to operate
- Antenna Usage : Must not be co-located or operated with any other antenna or transmitter
- Radiation Exposure: Evaluated to meet general RF exposure requirements
Product Usage Instructions
Compliance with FCC Rules
Ensure that the device complies with Part 15 of the FCC Rules to avoid harmful interference and accept any received interference.
Modifications
Avoid making changes or modifications to the unit that are not expressly approved, as this could void the user’s authority to operate the equipment.
Antenna Usage
Do not co-locate or operate the device and its antenna(s) with any other antenna or transmitter to maintain proper functionality.
Radiation Exposure
The device has been evaluated to meet general RF exposure requirements for portable exposure conditions without restriction.
FAQ
- Q: What should I do if the device causes interference?
- A: If the device causes interference, try repositioning it or adjusting its settings. If the issue persists, contact customer support for further assistance.
- Q: Can I modify the device for better performance?
- A: It is recommended not to make any modifications to the device that are not approved, as this may impact its performance and void your authority to operate it.
Packing list
Product diagram
Tips
- Except for the operation methods specifically marked in the manual, please do not try to disassemble or replace any parts in the earbuds.
- Don’t put the earbuds in the water or any other liquid. The earbuds are not waterproof.
- If any liquid enters the product by accidentally, please disconnect and remove the connection immediately.
- Please make sure that there is no water on your hands when Installing or uninstalling the product to avoid electric-shock.
- Do not put the product near by the heat source or expose it to the fire source directly.
- Do not put the product in an environment with strong electromag- netic force, otherwise, it will cause product malfunction.
Product specification
- BT version : V5.4
- Transmission distance : 210m
- Speaker unit : Ф14.2mm 160Ω
- sensitivity: 118+3dB @1kHz
- Frequency response range: 20-20kHz
- rated power : 10mW
- Music playing time : = 4.5 hours
- Charging time (headphones): 1.5 hours
- Charging time (charging case): 1.5 hours
- Battery capacity (charging case): 300mAh
- Battery capacity (headset): 40mAh
- Number of charges available for headphones: = 3 times
Product operation instructions
Power on:
Method 1. Remove the headphones from the charging compartment and the
headphones will automatically turn on. Method 2. Press and hold the left/right
multifunction button for 3 seconds, The blue light is on for 1 second, and the
headphones are turned on. (Voice prompt tone: “Power @ Shutdown:
Method 1 : Replace the charging box, and the headphones will
automatically turn off.
Method 2. The headphones are not connected within 3 minutes
The device automatically shuts down. (Voice prompt tone: “power off”)
Bluetooth pairing:
- Remove the headphones from the charging compartment, and the left and right headphones will automatically enter Bluetooth pairing mode, waiting for the connection. (Voice prompt tone: “pairing”)
- Open Bluetooth on your phone, search for the device name ” TWS “, and click to enter the connection. (Voice prompt tone: “connected”)
Wearing method
- Hold the ear with one hand and hang the earphones over your ears.
- Rotate and adjust the horn position of the earphone, moving it up and down until the earphone completely fits the outline of the ear.
- Pay attention to distinguish the wearing position of L/R, if it is reversed, it cannot be worn up.
LED indicator status
Touch operation
Restore factory settings
- If the headset is not connected to the device after being powered on, click any headset function key five times to restore the factory Settings and shut down the headset.
- When the headset is connected to the device, click any headset function key five times, and hold down any headset function key for 10 seconds within 3 seconds. After restoring factory Settings, power off the device.
The name and content of harmful substances in the earbuds
Warranty Statement
Disclaimer
This user manual does not have any form of guarantee, position expression or other implication. The mentioned products, specifications and information are for reference only, and the content will also be updated on the web at any time without additional separate notice
Warranty statement:
The product attached to this document is guaranteed as follows:If the product is twelve (12) months from the date of purchase(“Warranty Period”), under normal conditions of use due to quality defects damaged, can be repaired. Free repair free replacement if the manufacturer confirms that it cannot be repaired; repaired or replaced product.Continue to enjoy the warranty during the remaining warranty period (the shortest not less than 30 days). Purchased by sale the ticket date shall prevail;if the purchase date cannot be determined, the warranty period shall be 13 (13) months If you apply for a warranty, please call the product service hotline first and execute it in the manner instructed by us. When applying for a warranty, you need to provide an accurate, complete and clearly filled out valid sales invoice.
The above guarantee does not apply to the following situations:
- Exceeding the validity period of the three packs;
- Altering the warranty card and product code does not match the product body;
- Causes caused by misuse, abuse or improper transportation, use, maintenance or storage obstacles or damage;
- Failure or damage caused by force majeure (such as earthquake, war, disaster, etc.) or accident bad
- The zipper and tower buckle are damaged due to excessive force;
- Disconnection or tearing caused by excessive load; /.Any damage caused by sharp objects;
- Products with signs of burning of flooding;
- Damage caused by unauthorized disassembly;
- Aging, discoloration, abrasion, rupture, and other losses that occur during the normal use of the product.
- If the original identification label of the product is changed or damaged, this guarantee will become invalid.
The completeness and appearance of the product and accompanying materials are not within the scope of the guarantee. You should check on the spot and raise objections to any discrepancies.
The above guarantees are all guarantees we make regarding the products. and are only applicable in mainland China. Nothing in this document affects consumer rights that cannot be excluded or restricted under the law profit.
Warranty Service
Dear user, this warranty card is the proof of your future warranty application, please cooperatewith the seller to fill it out and keep it for future use!
User info
Product information
Vendor information
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. 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.
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 the 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.
This device and its antenna(s) must not be co-located or operated in conjunction with any other antenna or transmitter.
Radiation Exposure Statement
The device has been evaluated to meet general RF exposure requirements in portable exposure condition without restriction.