Product Overview
MONSTER™ BLUETOOTH HEADPHONE
OPEN EAR AC601
QUICK START GUIDE
Charging
Before using the "Monster Open Ear AC601", please connect the USB-C cable to a power adapter to begin charging. Fully charge the earphones and the charging case before the first use.
USB-C Port
Power On/Off
When taken out of the charging case, the earphones will turn on and pair with each other automatically. To turn off the earphones, put them in the charging case, then the earphones will be turned off and start charging.
Pairing
The earphones will turn on when taken out of the charging case. For new device connection, turn on the Bluetooth in your device and choose "Monster Open Ear AC601" from the Bluetooth list to connect. You will hear system prompts after the earphones are connected to the device.
If the earphones have been connected before, they will connect to the last connected device automatically after being turned on.
Wearing
Put the "Monster Open Ear AC601" onto your ears and rotate to fit comfortably to get the best wearing and sound quality experience.
MFB Operation
- Answer call: Press L or R twice
- End call: Press L or R twice
- Voice Assistant: Press MFB on the left or right earphone for 2 seconds
- Reject call: Press MFB on the left or right earphone for 2 seconds
Additional Operation
- Reset: In the power on state, touch the MFB of the earphones 5 times (two earphones at the same time), and the earphones will automatically enter the pairing mode to reset.
LED Indicator (Earphone)
| Status | Description |
|---|---|
| Power on | The white light is on |
| Power off | The red light on 2s and then turn off |
| Pairing is successful | The white light on 1s and then turn off |
| Pairing timed out | The red light on 2s and then turn off |
| Connection is over distance | White flashes |
| Disconnect the phone | White flashes |
| Low battery | Red light flashes slowly |
| Low power off | The red light on 2s and then turn off |
LED Indicator (Charging Case)
| Status | Description |
|---|---|
| Charging | White flashes |
| Discharge | White flashes |
| Low battery | The first white light from the left flashes quickly |
| Full charge | Four white lights are light off when full charged. The left 1 light of the left earphone keeps on and goes out when it is fully charged, and the right 1 light of the right earphone keeps on and goes out when it is fully charged. |
Attention
- It is not recommended to replace batteries privately without permission.
- Batteries [battery packs or battery combinations] should not be exposed to lighting, baking or similar overheating environments.
- The input voltage and current standard ≤ 5V/1A when charging the headset charging compartment from an external power source.
FCC Warning
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.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
FCC ID: 2AVD2-MH22210
Chinese Content Summary
The document also contains information in Chinese, covering product overview, charging, power on/off, pairing, wearing, button operations (answer/end call, voice assistant, reject call), LED indicators for earphones and charging case, and reset instructions. It also includes attention points regarding battery replacement and charging standards, along with FCC warnings.
