Monster Airmars XKT23 True Wireless Bluetooth Headphones
Product Parameters
| Parameter | Value |
| Bluetooth version | V5.3 |
| Transmission distance | 10m |
| Driver diameter | Φ13mm |
| Driver impedance | 16Ω±15% |
| Sensitivity | -106±3dB |
| Frequency response | 20Hz-20kHz |
| Battery capacity (Charging case) | 280mAh 3.7V |
| Battery capacity (Headphone) | 30mAh 3.7V |
| Charging time (Charging case) | ≈1.5 hours |
| Music playtime (Headphone) | ≈4 hours |
| Music playtime with charging case | ≈20 hours |
Product Schematic Description
Included Items
- Headphones (x2)
- Charging Case (x1)
- Instruction Manual (x1)
- Type-C Charging Cable (x1)
Headphone Diagram
The headphone diagram shows a single earbud with labels pointing to: Multi-function buttons (MFB), Microphone, and Indicator light.
Charging Case Diagram
The charging case diagram shows the case with a label pointing to the Type-C charging port and an indicator light.
Product Operating Instructions
Charging the Charging Case
Connect the charging case to a 5V power adapter using the Type-C charging cable.
TIPS: When the charging box cover is closed, the RGB indicator light of the charging box flashes red, please charge the charging box.
Power On/Off
Power On
Method 1: Open the charging case; the headphones will turn on automatically.
Method 2: Long touch the Multi-function button (MFB) of the headphones for 3 seconds to turn them on.
Power Off
Method 1: Place the headphones into the charging case and close the cover.
Method 2: After disconnecting from the Bluetooth device for 3 minutes, the headphones will turn off automatically.
Pairing
Step one: Open the charging case; the headphones will start pairing automatically.
Step two: Search and click for "Monster Airmars XKT23" on the Bluetooth list of your smart device. Upon successful connection, you will hear "Connected".
Note: Headphones will try reconnecting to the device within 3 minutes when the connection is lost.
Indicator Guide
| Mode | Describe | Sound prompt |
| Power On | The earphone ice blue indicator flashes 3 times | "Power on" |
| Power Off | The headphone ice blue indicator red light is solid for 1 second | "Power off" |
| Pairing | The red ice blue indicator lights of the left and right earphones flash alternately | "Pairing" |
| Connected | The headphones LED indicator is off. | "Connected" |
| Disconnected | The left and right earbuds flash alternately red, ice, and blue | "Disconnected" |
| Low Battery | The headphone red indicator flashes | "Battery low" |
| Headphones placed in charging case | The headphones are always red and full and off | — |
| Charging case low power | The charging case RGB indicator flashes red | — |
| Charging case charged | The charging case RGB indicator flashes in seven color cycles | — |
| Charging case fully charged | The charging case indicator is off | — |
Music Playback
Pause/Play: Double click the Left/Right MFB.
Last song: Triple click the left MFB.
Next song: Triple click the right MFB.
Phone Controls
Answer Call: Double click the Left/Right MFB.
Reject Call: Press Left/Right MFB for 2 seconds.
Hang up Call: Double click the Left/Right MFB.
Game/Music Switching
Enter Game Mode: Press right MFB for 2 seconds.
Enter Music Mode: Press right MFB for 2 seconds.
Restore Factory Settings
When turning on the headphones, ensure they are not connected to any Bluetooth device. Click the MFB button 5 times to clear the pairing record, then turn off the headphones.
Precautions
- Headphones will turn on automatically (without pressing any button) and pair with the device when the charging case is opened. After placing the headphones in the charging case, they will turn off, and automatic charging will start when the cover is closed.
- Charging every 15 days will extend battery life when not in use often. Cleaning dirt on the charging contacts with cotton swabs and alcohol will maintain good contact for charging.
- Keep the battery (battery pack) away from inflammables or excessive heat such as direct sunlight. Do not disassemble, hit, squeeze, or expose to fire/medium heat. If severe swelling occurs, do not continue using. Do not place in high temperature environments. Do not use after soaking in water.
- Intermittent audio is normal during playback for wireless products due to environmental factors, device brand, or user behavior, etc.
- Keep headphones away from any impact or vibration.
- Do not use any chemical solvents or cleaning agents on the headphones.
Warnings
- Do not use headphones at high volume for extended periods.
- Keep the headphones away from dust and water.
- Do not disassemble the headphones and accessories, otherwise, the warranty will be voided.
FCC Statement
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.
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 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: 2A8PV-QSMXKT23
Hazardous Substances
| Name of the Parts | Pb | Hg | Cd | Cr(VI) | PBB | PBDE |
| Housing | O | O | O | O | O | O |
| Loudspeakers | O | O | O | O | O | O |
| PCBA | X | O | O | O | O | O |
| Accessories | X | O | O | O | O | O |
This table is compiled according to SJ/T 11364.
O: Indicates that this hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement in GB/T 26572.
X: Indicates that this hazardous substance contained in at least one of the homogeneous materials used for this part is above the limit requirement in GB/T 26572.
Environment Friendly Use Period (EFUP)
This logo refers to the period (10 years) during which the hazardous substances in electronic and electrical products will not leak or mutate so that the use of these [substances] will not result in any severe environmental pollution, any bodily injury or damage to any assets.
Warranty Service
Dear user, this warranty card is the proof of your future warranty application. Please cooperate with the seller to fill it out and keep it for future use!
User Info
| User name | |||
| Contact number | Postal code | ||
| Mailing address | |||
Product Information
| Product name | Product number | ||
| Product barcode / Serial number / Batch number | |||
Vendor Information
| Name | Address | ||
| Contact number | Postal code | ||
| Sales date | Invoice number | ||
| Remark | |||
Certificate of Approval
Product No:
Production Time:
QC: PASS
