4smarts 478589 Eara TWS Core Wireless Headphones User Manual

Wireless Headphones
Eara TWS Core

Thank You for choosing a quality product from 4smarts

Safety Instructions

1.1 General precautions

• Do not drop the product and do not expose it to any major shocks.

• The device should only be repaired by a specialist.
  1.2 Precautions for electrical products

• Protect the device from dirt, moisture, overheating, and extreme temperatures, and only use it in dry rooms.

• Do not open the device. Stop using the device if it becomes damaged.

• Never use force when plugging in the device and when using any adapters.

• Do not operate the product outside the power limits specified in the technical data.

1.3 Precautions for batteries

• Avoid storing, charging, or using batteries in extreme temperatures.
• When stored over a long period of time, batteries should be changed regularly (at least every three months).
• Don’t allow batteries to enter the environment. Don’t open, damage, or swallow them, as they contain toxic heavy metals.
• In case of a leaking battery, avoid contact with skin or eyes. If direct contact occurs, wash with plenty of water and consult a doctor.

Technical Data

Bluetooth version: 5.0
Bluetooth profile: A2DP / AVRCP
Bluetooth decoding format: AAC
Range: 10m
Automatic pairing
Transmission power: -6/+4dbm (2-4mw)
Frequency range: 2.403 GHz – 2.480 Ghz
Playback time per headphone: ~4 hours
Total playback time with charging box: ~12 hours
Charging time headphones: ~1 hour
Charging time box: ~1.5 hours
Charging port: Micro USB
Input power: DC 5.0V / 300mA
Battery type (earphone & charger): Lithium polymer
Capacity of earphones: 2*40 mAh / 0.148 Wh
Capacity of the charger: 300 mAh / 1.110 Wh

Getting Started

3.1 Fully charge the product before using it for the first time.

• Connect the plug of the supplied cable (8) to the appropriate charging port (3).
• Connect the other side of the cable (8) to a suitable power source. Always pay attention to the voltage and power specifications of your devices.
• Wait until the product is fully charged before continuing. Disconnect the cable when fully charged to conserve the battery life.

3.2 Bluetooth Connection

• Open the charging cradle (1) and remove the headphones.

• Open the Bluetooth settings of your smartphone and search for the following device:
  4smarts Eara Core.

• After successful connection, the status LED (6) of both headphones will turn off.

3.3 General headphone controls

• On / Off:
  Turn on the headphones by pressing and holding the multifunction buttons (5) for 2 seconds. Press and hold the multifunction buttons (5) for 5 seconds to turn off the headset.

• Play / Pause:
  Briefly press any multifunction button (5) to pause or continue while listening to music.

• Forward / Reverse:
  To skip forward one track, double-click the multifunction button on the left earphone while listening to music. Use the other multifunction button to skip back one song.

• Answer / End call:
  Briefly press the multifunction key (5) to accept a call. Press and hold for one second to reject a call.

• Volume control:
  Press the left multifunction key (5) three times shortly to increase the volume.
  Press the right multifunction key (5) three times to decrease the volume.

• Automatical shutdown ：
  The headphones automatically turn off after 5 minutes without a Bluetooth connection.

1. Charging tray
2. LED status indicator
3. Charging connector (back)
4. Charging contacts
5. Multifunction button
6. LED status indicator
7. Ear cushions
8. Charging cable

Function notes

Recharging the charging shell:

• While the charging station is being charged using the USB cable, its LED status indicator lights up red; when the charging station is fully charged, the light turns blue.

Charging the headphones:

• The headphones automatically switch to charging mode when you put them back in the box. However, the charging cradle must have sufficient power for this.

Multifunction key

LED

Trouble Shooting

Setting up connection doesn’t work:

• Make sure that the product:
• is fully charged.
• is inside the working range of the device.
• is not already connected to any other device (deactivate Bluetooth at surrounding, other devices).
• Make sure that your terminal device:
• is compatible to the Bluetooth version, listed in the technical data in this manual.
• has an active Bluetooth connection, and is in pairing mode.
• does not have other, active connections running.
• Depending on the terminal device and its software, setting up the connection may take longer. Wait up to a minute, or try again in surroundings with less or minimal radio communication. The communication is not clear:
• Try again in mostly wind and hall-free surroundings.
• Try to connect the product to a different terminal device.
• Try to call to a different terminal device.
• Try again in surroundings with less or minimal radio communication.

Care and Maintenance

Only use a soft, dry cloth to clean the device.

Warranty

The 4smarts GmbH assumes no liability and provides no warranty for damage resulting from improper installation or mounting, improper use of the product or failure to observe the operating instructions and/or safety notes.

**** Disposal notification

Electric and electronic devices, as well as batteries, must not be disposed of with household waste. Consumers are obliged by law to return electric and electronic devices, as well as batteries at the end of their service, live to the public collecting points set up for this purpose or point of sale.

Service and support

If the product is defective or in case of problems during installation, please consult your dealer or the 4smarts product consulting via: http://www.4smarts.com/contact

 Attestation of conformity

Hereby, 4smarts GmbH, declares that this device is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU. The declaration of
conformity may be consulted at www.4smarts.com.

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**** All listed brands are trademarks of the corresponding companies. Errors and omissions excepted, and subject to technical changes. Our general terms of delivery and payment are applied.

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