Air31

Air31 TWS Wireless Bluetooth Earbuds User Manual

Model: Air31

Introduction

This manual provides detailed instructions for the Air31 TWS Wireless Bluetooth Earbuds. Please read this manual carefully before using the product to ensure proper operation and to maximize your listening experience.

The Air31 TWS earbuds offer premium HiFi stereo sound, a convenient LED digital charging case, comfortable in-ear design, and intuitive touch controls, compatible with a wide range of Bluetooth-enabled devices.

Package Contents

Ensure all items are present in the package:

Product Overview

Air31 TWS Wireless Bluetooth Earbuds in charging case with LED display showing 90% charge.

Figure 1: Air31 TWS Wireless Bluetooth Earbuds in their charging case. The case features a clear lid and an LED digital display indicating the battery percentage (90% shown) and individual earbud charging status (L and R indicators). One earbud is partially visible, extending from the case.

The Air31 TWS earbuds are designed for portability and ease of use. The transparent charging case features an integrated LED display that shows the remaining battery percentage of the case and the charging status of each earbud. The earbuds themselves are compact, in-ear style, and equipped with touch-sensitive controls.

Setup

1. Initial Charging

  1. Place both earbuds into the charging case.
  2. Connect the charging cable to the charging port on the case and a USB power source (e.g., computer, wall adapter).
  3. The LED display on the case will show the charging progress. A full charge takes approximately 1.5 hours.
  4. Once fully charged, the display will indicate 100%. Disconnect the charging cable.

2. Pairing with a Device

  1. Ensure the earbuds are charged and inside the charging case.
  2. Open the charging case lid. The earbuds will automatically enter pairing mode, and their indicator lights will flash.
  3. On your Bluetooth-enabled device (smartphone, tablet, laptop), go to the Bluetooth settings.
  4. Search for available devices and select "Air31 TWS" from the list.
  5. Once connected, a voice prompt will confirm successful pairing, and the earbud indicator lights will turn off.
  6. For subsequent use, the earbuds will automatically connect to the last paired device when removed from the case.

Operating Instructions

Touch Controls

The Air31 TWS earbuds feature intuitive touch controls on each earbud for easy management of audio and calls.

ActionFunction
Single Tap (Left or Right Earbud)Play/Pause Music, Answer/End Call
Double Tap (Left Earbud)Previous Track
Double Tap (Right Earbud)Next Track
Triple Tap (Left or Right Earbud)Activate Voice Assistant (Siri, Google Assistant)
Long Press (2 seconds, Left or Right Earbud)Reject Incoming Call
Long Press (3 seconds, Left or Right Earbud)Power On/Off Earbuds (when not in case)

Wearing the Earbuds

Gently insert each earbud into the corresponding ear (L for left, R for right). Adjust for a comfortable and secure fit to ensure optimal sound quality and passive noise cancellation.

Maintenance

Troubleshooting

ProblemPossible CauseSolution
Earbuds not pairing with device.Earbuds not in pairing mode; Bluetooth off on device; previously paired device interfering.
  • Ensure earbuds are in the case, open lid to activate pairing.
  • Turn Bluetooth on your device.
  • Forget "Air31 TWS" from your device's Bluetooth list and re-pair.
  • Ensure earbuds are charged.
Only one earbud playing sound.One earbud not connected; low battery on one earbud.
  • Place both earbuds back in the case, close the lid, then open again.
  • Ensure both earbuds are charged.
  • Try resetting the earbuds (refer to manufacturer's specific reset instructions if available, otherwise, re-pair).
Earbuds not charging.Charging cable faulty; power source issue; dirty charging contacts.
  • Check charging cable and try a different one.
  • Try a different USB power source.
  • Clean the charging contacts on both earbuds and inside the case with a dry cotton swab.
Poor sound quality.Improper fit; low battery; interference; dirty earbud mesh.
  • Adjust earbud position for a better seal.
  • Ensure earbuds are fully charged.
  • Move closer to the connected device to reduce interference.
  • Gently clean the earbud mesh.

Specifications

FeatureDetail
Model NameAir31 TWS
Connectivity TechnologyBluetooth 5.1
Ear PlacementIn Ear
Form FactorIn Ear
Control TypeTouch Control
Noise ControlPassive Noise Cancellation
Frequency Response20 Hz (Note: Only lower bound provided in source)
Sensitivity95 dB
Impedance32 Ohm
Charging TimeApproximately 1.5 Hours
MaterialPlastic
Compatible DevicesCellphones, iOS, Laptops, Tablets
ManufacturerKrezi Store

Warranty and Support

For warranty information and customer support, please refer to the documentation provided with your purchase or contact the seller directly.

Seller: Krezi store

For further assistance, please visit the product page on Amazon: Air31 TWS Earbuds Product Page

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