Shenzhen Moldull Acoustic Technology MD020 TWS Bluetooth Headset User Manual

Shenzhen Moldull Acoustic Technology MD020 TWS Bluetooth Headset

Product Display

Earphones Specification

Basic Operation

1. Power on : Open Lid and earbuds boost up automatically; or Long Press for 3s. There is “Power on” prompt tone. Power off: Put earbuds back to case and close lid, earbuds are automatically off; or Long Press for Ss. There is “Power off” prompt tone
2. Answer Call: Double Click Hang up Call: Double Click Reject Call: Long Press for 2s at coming call
3. Voice Assistance: Long Press Left earbud for 2s
4. Music Play: Double Click Music Pause: Double Click
5. Skip Forward: Click Right Earbud three times Skip Back: Click Left Earbud three ti mes
6. Volume Up: Single Click Right Earbud Volume Down: Single Click Left Earbud

Bluetooth Pairing

1. Left and Right Earbuds Pairing: Open Lid or Earbuds Power on status, L&R will pair automatically with each other.
2. Bluetooth connected with device: Earbuds on and un-connected st one earbud light will flash, Search for Pairing name “MD020” on your bluetooth device, Click connect and complete pairing.
3. Connected Successfully: voice prompt “connected”
4. Auto connect back: after first successful connection, earbuds will connect to the last paired phone by default .

Game Mode

Long Press Right Earbud for 2s to Turn On or Turn Off Game mode, there is “Game mode on” and “Game mode off” voice prompt. Earbuds Indicator light do breathing effect when game mode on.

Product Display

Indicator Status

1. Unpairing: Green light quickly flash.
2. Waiting for pairing: master earbud green light flash quickly, slave earbud light goes off.
3. Pairing successful: indicator light goes off.
4. Power on: green light flash three times.
5. Power off: green light flash once, then goes off.
6. Game mode off /Music mode: indicator light is off.
7. On call: indicator light is off
8. Game mode: both ear buds light do the breathing effect.
9. Low battery: green light flash once.

Product Display

Charging Case Indicator

1. RGB Lights are Red and will do Breathing Effect; The Power Indicators will flash and show the case battery
2. Case are Fully charged: Red RGB lights go off, Four power indicator lights are on.
3. Low Battery: RGB lights are Red and on, go off when battery run out.
4. Earbuds being charged by case: RGB Lights are Red and Doing Breathing effect; Left and Right Corresponding Power Indicator lights will flash.
5. Earbuds are fully charged: RGB Lights present three colors; Red/Blue/Green color will flicker alternately for 2 minutes then go off; Power indicator lights are on for 1 minute then go off.
6. Earbuds was taken out of case: RGB Lights present three colors, Red/Blue/Green color flicker alternately for 2 minutes then go off.

Factory Reset

1. Delete “MD020” Pairing record at mobile phone.
2. Earbuds are on and unconnected status, double click earbuds, then click 5 times to clear paring data
3.  Put earbuds back to charging case, close lid. Follow steps in “Bluetooth pairing” to reconnect and use.

Other Functions

Timeout not Connected
Earbud will be off when fail to connect with device within 5 minutes

Bluetooth Disconnect
After successful connection, if the Bluetooth of Device is turned off or the Effective Bluetooth Distance is Exceeded (10M in the barrier-free environment), the Bluetooth will be disconnected.

Product Display

1. After using for a period of time, the contacts are oxidized, earbuds cannot be charged or turned on. First, use alcohol and cloth to clean the contacts and the two thimbles in the charging compartment to solve the problem.
2. When you put the earbuds back into the charging compartment, they will turn off and start charging; if you take it out again, they will automatically turn on and pair with each other automatically.

Maintenance:

• The recommended operating temperature range is: 0-35 degrees excessive cold, overheating, or high temperature environments will reduce battery life and affect product performance.
• Do not use under thunderstorms.
  After a long period of non-use, please charge it before use. Please use a dry soft cloth to clean the earbuds.

Accessory List

Common Problem

1. The earbuds cannot be connected with the mobile phone?
   Please check whether the earbuds are in pairing mode, or back connected to other device, and check the mobile phone Bluetooth search function.

2. The earbuds cannot be turned on?
   Please check if the earbuds are fully charged and charge it.

3. Can I replace the battery of earphone?
   No, these earbuds use a non-removable battery.

4. Can I use the earbuds while driving?
   You can use earbuds while driving, but it is not recommended to use a Bluetooth big headset while driving and minimize the volume.

5. The earphone is disconnected from the phone?
   The effective distance of this earphone is 10 meters indoors. If the distance between the mobile phone and the earphone exceeds 10 meters or there are multiple obstacles, the earphone and the mobile phone will be disconnected. Please keep the earphone within the effective distance.

6. After the earbuds are connected to a computer or mobile phone hear different sounds?
   Bluetooth is a wireless technology, it is very sensitive to objects between the earphone and the connected device. Please check whether there is metal or other objects in the connection range that affect the connection.

7. After earbuds are connected to mobile phone, can the earbuds be used to control the applications on mobile phone?
   The software settings of device applications may be different, so that the functions of individual applications can’ t be controlled by earbuds.

Safety Problem

1. As there is a battery in the earbuds and case, please try to keep this product away from high temperature areas.
2. Please try to use qualified chargers and charging cables, and try to avoid using high current and voltage fast charging devices to charge this product.
3. The waterproof grade of this product is IPXS, please choose the appropriate scene to use this product.

FCC Caution

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.

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