TECNO Buds 4 Air (BD04 Air) User Manual

Package Content

• TECNO Buds 4 Air Earphones
• Charging Case
• USB Charging Cable
• User Manual
• Ear Tips (various sizes)

Basic Features of Product

• Touch Button Operation: Control playback, calls, and voice assistant.
• Power On/Off: Automatic power on when removed from the case, automatic power off when returned.
• TWS Pairing: Earphones automatically enter TWS pairing mode upon first use.
• Bluetooth Pairing: Connect to devices via Bluetooth.
• Earphone Indicator Light: Shows pairing and charging status.

Charger

• Power On/Off: The charging case powers the earphones.
• Charging Indicator Light: The white light flashes quickly when earphones are placed in the case.

Connect with Quality Devices

Instructions on how to connect the TECNO Buds 4 Air with your devices.

Download Welife App

Download the Welife App for enhanced features such as multiple sound effects (Bass Booster, Treble Booster, Vocal Booster), artistic connection pop-ups, customer support, and more smart audio features.

Quick Connection Pop-up: Supports auto pop-ups for earbud connection reminders and custom pop-up themes. Compatible with multiple phone brands. TECNO phones with HiOS14+ offer custom pop-up themes.

EQ Sound: Customize your audio experience with preferred sound effects.

Scan the QR code to download the Welife app.

Touch Button Operations

• Play/Pause: Single tap on the touch area.
• Next Track: Double tap on the right earphone touch area.
• Previous Track: Double tap on the left earphone touch area.
• Answer/End Call: Single tap on the touch area.
• Reject Call: Long press on the touch area.
• Voice Assistant: Triple tap on either earphone touch area.

EU Declaration of Conformity

TECNO MOBILE LIMITED declares that the TWS Earphone, Model: BD04 Air, is in conformity with Directive 2014/53/EU (RED).

Key Standards Applied:

• Health: EN 62479:2010, EN 50663:2017
• Electrical Safety: EN62368-1:2014+A11:2017, EN IEC 62368-1:2020+A11:2020
• EMC: ETSI EN 301 489-1 V2.2.3, ETSI EN 301 489-17 V3.2.4
• Spectrum: ETSI EN 300 328 V2.2.2

Manufacturer: TECNO MOBILE LIMITED, FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL CENTRE 19-25 SHAN MEI STREET FOTAN NT HONGKONG

The full text of the EU declaration of conformity is available at: https://www.tecno-mobile.com/declaration/#/

FCC Information

FCC ID: 2ADYY-BD04 Air

This device complies with Part 15 of the FCC Rules. Operation is subject to 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.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device.

RF Exposure Statement: The device meets general RF exposure requirements and can be used in portable exposure conditions without restriction.

Caution

• Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries according to instructions.
• Do not expose batteries to fire, hot ovens, or extreme temperatures.
• High sound pressure with hearing damage risk. Do not listen at high volume levels for long periods.
• EUT Temperature: -10℃～+60℃ (Standalone). 0℃~+40℃ (with adapter).

Customer Service

This warranty covers only original TECNO products. It does not apply to normal wear and tear, or any effects or damage caused by misuse of the product. The warranty is for primary products only. Additional or free-of-cost products are not covered under warranty.

TM and Copyright 2010-2022 TECNO Corporation. All rights reserved.

Other product and company names mentioned herein may be trademarks or trade names of their respective owners.

Specifications are subject to change without notice. Model names and product availability may vary by region.