User manual
WWW.LIVOO.FR
Reference : TES250
Version : 1.4
Language : English
Bluetooth® compatible
wireless earphones
User manual
1
Thank you for buying our LIVOO product. We take great care in design, ergonomics and ease of use of our
products. We hope that this product will give you complete satisfaction.
This instruction manual is also available on our website www.livoo.fr
PLEASE READ ALL INSTRUCTIONS CAREFULLY
SAFETY INSTRUCTIONS
Never dissemble the Bluetooth® Earbuds in an attempt to make any repairs as this could result in electrical
shock, burns or product failure.
Use extra caution while children are using the Bluetooth® Earphones.
Earbuds and power case are not waterproof or water resistant;
Use extra caution in high temperatures;
Do NOT the device in water or very humid places, such as swimming pools or bathrooms;
Damage, shock, and/or injury can occur if this warning is not heeded properly;
The Bluetooth® Earphones are not covered under warranty when the product has metal rust, surface
spalling and any other natural oxidation.
PACKAGE CONTENTS
• 2 Bluetooth® Earphones
• 1 Charging case
• 1 Type-C USB cable
• Instruction manual
SPECIFICATIONS
Playing time: up to 5 hours; Talk time : 4 hours
Standby time : 150 hours
Earphone charging time: 1.5 hour
BLUETOOTH
SPEAKER
Bluetooth Version
V5.1
Impedence
32ohms
Bluetooth Profil
A2DP AVRCP HSP HFP
Speaker
10mm
Frequency band / output power
2402-2480MHz
Sensibility
105±3dB
Bluetooth distance
≥10 m
AUDIO
GENERAL
INFORMATIONS
Rated output power
2MW
Input
5V, 500mA
Frequency response
20Hz--20kHz
Built in battery
3.7V 200mAh - 3.7V 30mAh
Signal to noise ratio
90dB
Size
47 x 56 x 24 mm
Weight
31,5 g
User manual
2
FUNCTION KEYS
USE
Charging function
Fully charge the case and earphones before using for the first time.
Charging the charging case
There is a Type-C cable included in the packaging. Connect it to the Type-C charging port and the other end
into a USB powered source to charge your case (not included).
Indicator light for charging status
0% - 25%
25% - 50%
50% – 75%
75% - 90%
90% – 100%
LED n°1 flashes in
blue
LED n°1 blue light
always on, LED n°2
flashes in blue
LED n°1, led n°2 in
blue light always
on, LED n°3 flashes
in blue
LED n°1, LED n°2,
LED n°3 in blue
light always on,
LED n°4 flashes in
blue
All LED lights keep
firm in blue
Charging the earphones
When battery is low, each 5s flash once for left and right side white light at the same time, you will listen to
a warning sign or tone. It will turn off when the earphones completely out of battery.
To charge them, place the earphones into the charging case.
Red light on the earphones turn on when charging has begun. The light will turn off when charging is
complete.
Multifunction
buttons
Charging case
Type-C
input port
User manual
3
Power On/Off
Open the charging case and take out the earphones, it automatically turn on.
Place the earphones into charging case and close the case, it automatically turn off.
Automatic pairing
Open the charging case and take earphones out, the earphones will automatically turn on and will be ready
to pair.
Activate your pairing device’s Bluetooth ®. Search for “TES250” and select it to connect.
Play/Pause music
When listening to music, tap the left or right earphone once to play or to pause the music.
Volume -/+
Quick double tap left earphones to decrease the volume.
Quick double tap right earphones to increase the volume.
Previous/Next Song
When listening to music;
Quick tap left earphone 3 times to previous song.
Quick tap left or right earphones 3 times to next song.
Answer/Hang up
When there is an incoming call;
Tap left or right earphone once to answer the call.
Tap left or right earphone again to end the call.
Call reject
When there is an incoming call;
Long press left or right earphones for 2 seconds to reject the call.
Voice assistant
Long press left or right earphone for 3 seconds to activate voice assistant.
Precautions :
Earphones will automatically shut down if there is no operation in 5 minutes after switch on. When the
phone is out of distance, earphones is disconnected. When return to the communication distance, the
earphone will automatically connect to the phone.
User manual
4
EU DECLARATION OF CONFORMITY
We
DELTA
BP61071
67452 Mundolsheim – France
Herewith declare under our sole responsibility, that the radio equipment
Bluetooth® compatible wireless earphones
TES250 (Frequency range 2402GHz-2480GHz)
Fulfils the essential requirements of the Directive 2014/53/UE
The following standards were applied:
Radio:
EN 300 328 V2.2.2 (2019-07)
EMC:
ETSI EN 301 489-1 V2.2.3 (2019-11)
ETSI EN 301 489-17 V3.2.4 (2020-09)
EN 55032:2015+A11:2020+A1:2020
EN 55035:2017+A11:2020
EN IEC 61000-3-2:2019+A1:2021
EN 61000-3-3:2013+A1:2019
Health and Safety:
EN 50663: 2017
EN IEC 62368-1:2020+A11:2020
Mundolsheim, 28/12/2021
User manual
5
Correct Disposal of this product
(Waste Electrical & Electronic Equipment)
(Applicable in the European Union and other European countries with separate collection systems)
The European Directive 2012/19/EU on Waste Facilities Electrical and Electronic (WEEE)
This marking shown on the product or its literature, indicates that it should not be disposed with other household
wastes at the end of its working life.
To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate
this from other
types of wastes and recycle it responsibly to promote the sustainable reuse of material resources.
Household users should contact either the retailer where they purchased this product or their local authority office, for details of
where and how they can take this item for environmentally safe recycling.
• Photo no contractual
• Worried about the quality of his products the manufacturer reserves the right to make modifications without advance
notice
LIVOO
BP 61071
67452 Mundolsheim - FRANCE
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