Letscom U8i Benutzerhandbuch

Bluetooth Headphones

User Manual

Thank you for purchasing our products, please read the

user manual carefully before use.

U8I

English Version --------------------- 1

Deutsche Version -------------------- 15

● Bluetooth headphones × 1

● Eva bag × 1

● Eartips × 3 pairs (large, medium, small)

● Micro USB cable × 1

● Wire clip (removable) × 1

● User manual × 1

Package Contents

A

At a Glance

B

LED indicator

L (for the left ear)

R (for the right ear)

Microphones

Volume + / Next

MFB button

(multi-function button)

Volume - / Last

Micro USB port

Right Left

LED Indicator Guide

● Rapidly flashing red and blue alternately: Pairing mode

● Flashing red once every 6-8 seconds: Low battery

● Flashing blue once every 6-8 seconds: Paired

● Flashing blue twice every 6-8 seconds: Powered on but

not paired

● Rapidly flashing red 3 times: Powered off

● Steady red: Charging

● Steady blue: Fully charged

1. Charge the headphones

1) Open the hinged door on the bottom of the right

earphone.

2) Plug the small end of the USB cable into the

Micro USB port of the headphones.

3) Plug the other end into a USB wall charger or

computer (DC 5V) that is powered on.

Notes:

● Fully charge the headphones before using them

for the first time.

● The indicator is red during charge.

● The indicator turns blue when the headphones

are fully charged.

● The indicator flashes red and a voice reminder

prompts when the headphones are in low battery.

Using the HeadphonesC

2. Power on/off

● Power on: Long press the MFB button for 3

seconds.

● Power off: Long press the MFB button for 3

seconds when the headphones are on.

3. Pair

1) Turn on the Bluetooth of your phone or other

Bluetooth devices.

2) Turn on the headphones when they are in

shutdown state and the headphones enter

pairing mode (indictor rapidly flashes red and

blue alternately).

3) In the list of found Bluetooth devices in your

phone or other Bluetooth devices, choose "U8I"

to pair.

4) Enter "0000" or "1234" if your phone or

Bluetooth device asks you to enter a code to

pair.

U8I

100%9:41 AM

U8I

Long press

Notes:

● The headphones will directly enter pairing mode

the first time you turn them on. To enter the pair

mode later, follow the steps above.

● The headphones will connect to the last paired

Bluetooth device automatically when they are

turned on. Please turn on the Bluetooth of your

Bluetooth device before turning on the

headphones.

● When the headphones are on but was not paired

with your phone or other Bluetooth devices, they

will exit the pairing mode in 1 minute (to enter

pairing mode again, turn off the headphones and

turn them on again) and be automatically off in

about 5 minutes (to enter pairing mode again,

turn on the headphones).

4. Connect to two Bluetooth devices at

the same time

1) Pair the headphones with the first phone.

2) After a successful pairing, turn oﬀ the

headphones and the Bluetooth of the first

phone.

Phone 2

Phone 1

3) Pair the Bluetooth headphones with the

second phone.

4) After a successful pairing, turn on the

Bluetooth of the first phone, choose "U8I"

and tap to connect, then these two phones

are both connected to the headphones at the

same time.

U8I

100%9:41 AM

U8I

Long press

U8I

100%9:41 AM

U8I

6. Volume up/down, next/last song

● Short press "+" button to increase the volume;

long press "+" button for 2 seconds to skip to

the next song.

● Short press "-" button to decrease the volume;

long press "-" button for 2 seconds to skip to

the last song.

7. Play/pause playing songs

Short press the MFB button to pause and short

press the MFB button again to resume playing

songs.

5. Wear the headphones

Gently push the eartip into your ear and adjust the

ear hook until you feel comfortable with it.

Long press the MFB button for 2

seconds to reject an incoming call.

8. Answer/hang up/reject calls

Short press the MFB button or operate

on your phone to answer an incoming

call.

Short press the MFB button or operate

on your phone to hang up an ongoing

call.

Short press

Long press

11. Activate voice control of phone

In paired state, long press "+" button and "-"

button at the same time for 2 seconds until you

hear a "Di" sound. (This function works only when

your phone has voice control function; please

refer to the instructions of your phone for details.)

9. Redial the last number

Double press the MFB button in paired state.

10. Sound transfer to headphones or

phone

During a call, long press the MFB button for 2

seconds and you can transfer the sound to your

headphones or phone.

Long press

12. Reset the headphones/Clear all

pairing information on the

headphones

During charging, long press the MFB button until

the indicator ﬂashes blue 3 times.

FAQsD

Q: I paired the headphones with my phone

before, but I failed to pair them to my

phone again.

A: A: Turn on the Bluetooth of your phone and in

"MY DEVICES", choose "U8I" and tap" "

"Forget This Device". Then pair the

headphones with your phone again following

the instructions in the previous part "Pair".

Q: I paired the headphones with my phone,

but there is no sound from the

headphones.

A: Make sure the headphones/phone are/is not

muted. Some phones ask for setup of the

wireless headphones as an audio output

device before sound is transmitted. Please

refer to the instructions of your phone for

details. If you use a music player or other

devices, please make sure it supports A2DP

stereo music profile.

Q: The connection between headphones and

phone is not stable.

A: Make sure you headphones stay close to your

phone (not away from your phone more than 33

feet, no obstacles between, and no radio or

Wi-Fi interference nearby).

Q: Can I use the headphones during charging?

A: No, you can’t.

Q: The headphones are dead.

A: Reset the headphones.

Bluetooth Standard: V4.1

Chipset: CSR 8635

Wireless Profile: HFP, A2DP, HSP, AVRCP

Operating Range: 33 feet/10 meters (No

obstacles between)

Waterproof Rate: IPX7

Standby Time: 250 hours

Charging Time: 2 hours

Talk/Playing Time: about 6-8 hours (Varies

according to volume level and audio content)

Charging Voltage: DC 5V

Charging Current: 5V 1A

Battery Capacity: 100mAh/3.7V

SpecificationsE

Use original or certified cables.

Don’t expose to liquids.

Don’t disassemble.

Avoid dropping.

Avoid extreme temperatures.

AttentionF

Bluetooth Kopfhörer

Bedienungsanleitung

Vielen Dank für den Kauf unserer Produkte. Bitte lesen Sie

die Bedienungsanleitung vor dem Gebrauch sorgfältig durch.

U8I

● Bluetooth-Kopfhörer × 1

● Eva-Tasche × 1

● Ohrspitzen × 3 Paare (groß, mittel, klein)

● Micro-USB-Kabel × 1

● Draht-Clip (abnehmbar) × 1

● Bedienungsanleitung × 1

Packungsinhalt

A

Auf einen Blick

B

LED-Anzeige

L (für das linke Ohr)

R (für das rechte Ohr)

Mikrofone

Lautstärke + / Weiter

MFB-Taste

(Multifunktionstaste)

Lautstärke - / Zurück

Micro-USB-Anschluss

linksRechts

LED-Anzeiger Anleitung

● Schnell blinkt abwechselnd in rot und blau:

Pairing-Modus

● Blinkt einmal alle 6-8 Sekunden in Rot: Batterie schwach

● Blinkt alle 6-8 Sekunden in blau: Paarig

● Blinkt zweimal alle 6-8 Sekunden in blau: Eingeschaltet,

aber nicht gekoppelt

● Schnell blinkt 3 Mal in rot: Ausgeschaltet

● Stetig in rot: Aufladen

● Stetig in blau: Voll aufgeladen

1. Laden Sie die Kopfhörer auf

1) Öffnen Sie die Klappe an der Unterseite des

rechten Ohrhörers.

2) Stecken Sie das kleine Ende des USB-Kabels in

den Micro-USB-Anschluss des Kopfhörers.

3) Schließen Sie das andere Ende an ein

eingeschaltetes USB-Wandladegerät oder einen

Computer (DC 5V) an.

Anmerkungen:

● Bitte aufladen Sie vor dem ersten Gebrauch

Kopfhörer aufladen.

● Die Kontrollleuchte leuchtet beim Laden rot.

Verwenden der KopfhörerC

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