Sprite S91 - User Manual

Need help?

Do you have a question about the Sprite S91 and is the answer not in the manual?

Summary

Safety Precautions for Earbuds

TWS Earbud Operation Guide

Initial Earbuds Set Up and Pairing

Guides users through the initial setup and pairing process for the earbuds with a Bluetooth device.

Auto Power On Functionality

Details how the earbuds automatically power on when removed from the charging case.

Manual Power On Procedure

Explains the procedure for manually turning the earbuds on by pressing the main button.

Automatic Power Off

Describes the automatic powering off of earbuds when placed back into the charging case.

Manual Power Off Procedure

Outlines the steps for manually turning off the earbuds by pressing and holding the main button.

Music Playback Controls

Explains how to play, pause, skip tracks, and control music playback on the earbuds.

Call Management Functions

Details how to answer, end, reject, and cancel calls using the earbud controls.

Low Battery and Shutdown

Informs about low battery warnings and the automatic shutdown process when power is depleted.

Automatic Device Connection

Details how earbuds automatically reconnect to the previously paired device.

Restoring Earbuds to Factory Settings

Explains how to reset earbuds to factory settings by pressing and holding buttons.

Earbud Charging Instructions

Case Power Indicator Guide

Explains the LED indicators on the charging case for battery level.

Technical Specifications Overview

This document describes the TWS Bluetooth Earbuds, identified by FCC ID: 2ADTFS91. These earbuds are designed for wireless audio playback and call management, offering a range of features for convenient use.

Function Description:

The TWS Bluetooth Earbuds are a pair of true wireless stereo earbuds that connect to a smart phone or tablet via Bluetooth. They are designed for listening to music, managing phone calls, and providing a portable audio experience. The earbuds come with a charging case that not only stores them but also charges them on the go.

Important Technical Specifications:

Bluetooth Version: V5.0, ensuring a stable and efficient wireless connection.
Bluetooth Distance: 10-15 meters, providing flexibility in movement while connected to the device.
Earbuds Battery: 50mAh*2, indicating each earbud has a 50mAh battery.
Charging Case Battery: 400mAh, allowing for multiple recharges of the earbuds.
Charging Time: Approximately 1.5 hours for a full charge.
Music Playing Time: About 5 hours on a single charge.
Calling Talk Time: About 5 hours on a single charge.
Standby Time: 200 hours, indicating a long battery life when not in use.

Usage Features:

Initial Setup and Pairing:

Power On: Remove both earbuds from the charging case. They will automatically power on, and a blue light will illuminate on each earbud.
Syncing: Wait for the "DuDu" prompt, which confirms the earbuds are synced. After syncing, the left earbud will flash blue and red lights, while the right earbud will flash a blue light, indicating they are ready for pairing with a device.
Connecting to Device: On your smartphone or tablet, go to the Bluetooth settings and search for "T31R". Click to connect. Once connected, both earbuds will flash blue lights.

Power Management:

Auto Power On: When removed from a charged case, both earbuds will automatically power on. A blue light will be on for about 1 second on each earbud, and the left earbud will flash blue three times to initiate the connection process.
Manual Power On: If the case is not charged, press and hold the main button on both the right (R) and left (L) earbuds simultaneously for about 3 seconds. A blue light will turn on and flash, followed by a "Power On" message.
Auto Power Off: Place the earbuds back into the charging case and close the lid. They will automatically power off and begin charging, indicated by a red light flashing on each earbud.
Manual Power Off: Press and hold the main button on both the right (R) and left (L) earbuds simultaneously for about 3 seconds. A blue light will turn on and flash, followed by a "Power Off" message.

Music Control:

Play/Pause: A short press on either the right (R) or left (L) earbud button will play or pause music.
Next Song: Double press the main button of the left (L) earbud to skip to the next song.
Previous Song: Double press the main button of the right (R) earbud to go back to the previous song.

Call Management:

Answer Call: During an incoming call, press either the right (R) or left (L) earbud button once to answer.
End Call: During a call, press either the right (R) or left (L) earbud button once to end the call.
Reject Call: During an incoming call, double press either the right (R) or left (L) earbud button to reject the call.
Cancel Call: During the dialing state, press either the right (R) or left (L) earbud button once to cancel the call.

Battery Status:

Low Battery Alarm: When the earbud battery level drops below 20%, a red light will flash, and a "Low Battery" message will be heard through the earbuds.
Low Battery Shutdown: The earbuds will automatically shut off when the battery power is depleted.

Automatic Connection:

After the initial setup and connection, the earbuds will automatically connect to your device the next time they are turned on, provided Bluetooth is active on your device.

Maintenance Features:

Charging the Earbuds:

To charge the earbuds, place them into the charging case and close the lid. The charging earbuds will flash red lights until fully charged, at which point the red light will turn off. The charging case has a 400mAh battery and can charge the earbuds up to 3 times from no battery power before the case itself needs to be charged.

Charging Case Power Indicator:

The charging case features LED indicators to show its remaining battery level:

Four solid lights: 100% Power
Three solid lights: 75% Power
Two solid lights: 50% Power
One solid light: 25% Power

Restore Original Settings:

If the earbuds are unable to connect to each other under normal conditions, they can be restored to factory settings. While powered off, press and hold both the right (R) and left (L) earbud buttons for about 10 seconds. Both earphones will flash alternating red and blue lights, indicating the restoration is complete. After this, the earbuds can be reused by powering them on/off automatically or manually.

Safety Precautions:

Observe national and regional regulations when using earbuds while driving.
Keep equipment and accessories out of reach of children and pets to prevent suffocation or serious consequences.
Avoid using the product in extreme temperatures (below -10°C or above 45°C) as this can cause deformation, reduce charging capacity, and shorten service life.
Do not use wet equipment or allow liquids to come into contact with the device, as this can cause severe damage not covered by warranty.
Avoid prolonged listening at high volumes to protect your hearing; it is recommended to use the lowest volume setting on your phone.

FCC Compliance:

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. The equipment has been tested and found to comply with the limits for a Class B digital device. Users are advised to reorient or relocate the receiving antenna, increase separation between equipment and receiver, or consult a dealer/experienced radio/TV technician if interference occurs. Changes or modifications not expressly approved by the responsible party could void the user's authority to operate the equipment.

Sprite S91 Specifications

General

Brand	Sprite
Model	S91
Category	Headphone
Language	English