Monster Airmars XKT 21 Wireless Gaming Headphones Manual
Basic Information
| Product Name | Bluetooth Wireless Headphones |
| Model No | Monster Airmars XKT21 |
| Type | Clip-on type |
| Bluetooth | V5.3 |
| Bluetooth Profile | AVRCP/A2DP/AVCTP/AVDTP/HFP/HSP/SPP |
| Bluetooth distance | ≥10m |
| Frequency | 20～20kHz |
| Speaker size | Φ10mm |
| Sensitivity | ≤-84dBm |
| Earbuds Battery | 60mAh |
| Charging Case Battery | 400mAh |
| Playing Time | Earbuds：3.5H With Charging case：22H |
| Type-c Input | DC 5V 300mA |
| Speaker size | 8Ω±15% |
| Earbuds Charging Time | 1.5H |
| Case Charging Time | 1.5H |
| Net weight | 45G |
Charging
Power On/Power Off
Power on
Take out earbuds from the charging case and then long touch for 2 seconds.
Power off
Put into charging case Long touch 5 seconds Turn off the device after 5 mins without connecting the earbuds.
Bluetooth Pairing
AIRING
- take out earbuds from the charging case
- Turn on your mobile phone’s Bluetooth and search for the pairing name
- Select “Monster Airmars XKT21” and connect to it
- After Pairing successfully， earbuds play a prompt voice “Connect”.
Wearing Method
Operational approach
| Operation | Left/Right |
| Power On/Power Off | Long press 2S/Long Press 5S |
| Play/Pause | Double Click |
| Previous/Next | Triple-click |
| V+/ V- | Click |
| Answer/Hang up | Double Click |
| Reject | On Call： Long press 2S |
| Siri Voice Assistant | Long Press 1.5S |
LED light
| Earbuds Indicator Light | |
| Power on | Blue light 1 second |
| Power off | Red light 2-second |
| Pairing | Main earbuds： Flashing red and blue; Vice Earbuds： Light of |
| Connected | Light off |
| Charging | Blue light on |
| Charge Over | Blue Light off |
| Charging Case Indicator Light | |
| Charging | Red light flash |
| Charge Over | Red light on |
| Earbuds Charging | Battery >10%: White light on Battery <10%: White light flash |
| Earbuds Charing over | Light off |
Attention
- Please store and use this product in a normal temperature environment;
- Do not expose the product to rain or a wet environment;
- Do not throw, it to avoid product damage caused by falling;
- Do not disassemble, repair and transform the product;
- Do not use chemical solvent to wipe the product;
- Do not discard or put in high temperature (temperature above 60 degrees) and fire, so as not to cause danger.
FCC Warning:
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 to 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.
Caution: Any changes or modifications to this device not explicitly approved by the manufacturer could void your authority to operate this equipment. 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. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 0cm between the radiator and your body.
