WIRLOS Fer Smart Screen Wireless Earbuds User Manual

Headphone Parameters

• ANC noise cancelling: Supported
• Pairing Name: WIRLOS Fer
• Chip version: V5.4
• Playback duration: Approximately 4-5 hours
• Drive Unit: Φ 10mm
• Frequency response: 20Hz-20kHz
• Earphone battery capacity: 40mAh/3.7V
• Charging time: 2 hours
• Charging method: Thimble contact
• Standby time: Approximately 120 hours

Smart Screen Parameters

• Screen size: 2.01 inches
• Resolution: 240*296
• Battery capacity: 400mAh/3.7V
• Charging method: TYPE-C

Earphone Precautions

• Do not disassemble, repair, or modify the headphones.
• Avoid environments with extreme temperatures (below 0°C or above 45°C).
• Do not use during thunderstorms to prevent malfunction or electric shock.
• Do not use strong chemicals, cleaning agents, or detergents for cleaning.
• Keep away from heat sources or open flames.
• Avoid listening at high volume for extended periods to prevent hearing damage. Adjust volume to an appropriate level.

Screen Precautions

• Operate buttons and touch screens according to manual instructions to avoid incorrect operations.
• The screen displays information like call notifications, music status, and battery level. Understand the meaning and operation methods.
• Protect the screen from scratches and damage; avoid dusty or humid environments.
• Clean the screen with a soft cloth; avoid cleaning agents containing chemicals.
• Pay attention to power status indicators (battery level, connection status) for current headphone status.
• Avoid prolonged use of the screen under strong light to maintain display quality.
• Press the screen lightly during operation to prevent damage from excessive force.
• When storing or carrying, be careful not to apply heavy objects or pressure to the screen area.

Prohibitions

• Do not disassemble, impact, squeeze the battery, or expose it to fire or foreign objects to prevent leakage, overheating, ignition, or explosion.
• This device is not a toy. Children should use it under adult supervision.
• Discontinue use if severe swelling occurs.
• Do not place in high-temperature environments or near sources of fire.
• Do not use the battery after immersion in water or other liquids.

01 Boot Animation

When starting up for the first time, there will be an animation and startup music.

Power on the device by a short press of the button.

After the "Hello" prompt, choose the language and theme style.

02 Dial Setting (Lock Screen Setting)

Under the dial interface, long press for 3 seconds to enter the dial selection mode.

Press the left and right buttons to select the lock screen image (dial selection). There are 5 images available, including one dynamic image.

Stay on the current image and click it to confirm the selection.

03 Music Control Function

Control up and down tracks, and play/pause music.

Volume control is accessed from the speaker interface button at the bottom of the music interface.

Supports lyrics synchronization display.

Available EQ sound effects include: POP, ROCK, CLASS, JAZZ, VOICE, DJ, DISCO.

04 Adaptive Equalizer

Note: This function can only be selected when the earphones are connected to the compartment.

You can choose to turn on or off the equalizer function using the switch in the upper right corner.

Select from 7 different specific EQ sound effects via the display screen buttons.

05 ANC Noise Reduction Function

Note: Environmental sound processing requires headphones to be connected to the receiver before selection.

Modes available: ANC Open, ANC Shut, Transparent Mode.

06 Space Audio Function

Note: This function can only be selected when the earphones are connected to the compartment.

Available modes: Watching mode, Music mode, Game Mode.

07 Control Interface Style Selection

There are three control modes: Default (sliding left and right), Kaleidoscope, and Gear.

Slide to select and click to switch between items.

08 Search for Headphone Features

Note: The earphones can only be selected after being connected to the compartment.

You can search for the Left (L) or Right (R) earbud.

After entering 'L' or 'R', enter the search response interface. Use this function when headphones are not on the ear to avoid discomfort.

09 Call Interface Function

Note: The earphones need to be connected to the compartment and the phone before this function can be displayed.

Phone reminder function: When connected to the phone, incoming calls will be displayed in the compartment.

Display interface during phone calls is also shown.

10 Key Operation Display Function

A single touch can activate the display.

• Switch up/down tracks: Double-click the right channel for the next track; double-click the left channel for the previous track.
• Play/Pause: Click the left or right earbud.
• ANC noise reduction mode: Long press the left channel to switch between noise reduction, transparency, and off modes.
• Call voice assistant: Long press the right channel to wake up SIRI.
• Incoming call status: Click to answer; during a call, click to hang up.
• Reject call: Long press the left or right channel for 2 seconds.
• Switching between Chinese and English: Double-click the function key on an unconnected phone when the screen is off.
• Turn off screen: A single touch can also turn off the screen when it is on.
• Forced pairing: Long press for 3 seconds to enter the forced pairing function for left and right earphones. Successful pairing will be displayed.
• Hardware reset: Long press for 10 seconds. The screen will flash once and restart.

11 Headphone Button Function

• On/Off: Long press the touch button for 1.5 seconds to power on. Long press for 3 seconds to power off (main/secondary ears).
• Volume modulation: Triple-click the right channel to increase volume. Triple-click the left channel to reduce volume.

12 LED Flashing Indicators

• Blue light flashing: Indicates power on.
• No flashing light: Indicates connection successful, music playback, music paused, incoming call, in call, or low battery.