User Manual
Wireless Earphone
Model：A2 se
Hereby, TECNO MOBILE LIMITED.
declares that this Wireless Earphone is in compliance
with the essential requirements and other relevant
provisions of Directive 2014/53/EU.
WELCOME
Thank you for choosing our products. The A2 se wireless
earphone has a fashionable design, powerful functions, and
high compatibility, to provide you with hands-free
convenience when making calls.
PACKAGE CONTENT
1 ×A2 se Earphone
1 × User Manual
PRODUCT OVERVIEW
OPERATION AND FUNCTIONS
Power on
1. Long press the button for 3 seconds when power off.
Power off
1. Long press the button for 3 seconds when power on.
Bluetooth pairing
1.For the first time, turn on the earphone and use a mobile
phone to search for this device, then press the connect
botton.
2. When Bluetooth device has been connected, the
earphone will be automatically reconnected to the last
connected device when turned on.
Bluetooth Disconnected
1.Earpiece will enter pair mode when the bluetooth is turned
off and won’t connect back. (Device will shut down after
10mins without connection).
2. It will enter connection mode and connect with other
device when original device is out of range. (Device will shut
down aftet 10 mins without connection).
Use
1.Answer the call : One-click the button while the call is
coming.
2. Reject the call : Press the button for 2 seconds when the
call is coming.
3. Start voice assistant : Double -click the button under
connected state.
4. Low battery alert : An alert will be visible every three
minutes when the battery voltage is 3.4V and will shut down
at 3.2V.
5. Hang up the phone : One-click the button during the call.
6. Pause/Play : One-click the button to pause while playing
music, one-click to play again.
Basic Features of Product
Product Number A2 se
Battery Capacity 100mAh
Input 5V=60mA
Music Playing Time Approx 6.5H
Calling Time Approx 7H
Standby Time Approx 150H
Transmission range: ≤ 10m
paired devices： TECNO-Ace-A2 se
Operating Temperature 0℃ ~ 45℃
Storage Temperature -20℃ ~ 60℃
Earphone Indicator Light
Earphone Status Indicator Light Status
Power on Red and blue light flash
alternatively.
Power off Red light flashes for 2
seconds.
Bluetooth Connected blue light flashes twice
within 6 seconds.
Low Battery Alert Red light flashes once in
every ten seconds.
CUSTOMER SERVICE
WARRANTY CERTIFICATE
https://www.carlcare.com
Name：
Address：
Telephone number：
Date of purchase
Store name：
S/N：
comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against
harmful interference in a residential installation. This
equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there
is no guarantee that interference will not occur in a
particular installation.
If this equipment does cause harmful interference to
radio or television reception, which can be determined
by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or
more of the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and
receiver.
-- Connect the equipment into an outlet on a circuit
different from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV
technician for help.
TECNO MOBILE LIMITED
TM and ©2020 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 the
availability of particular products may vary by region.
FCC Warning
changes or modifications not expressly approved by the
party responsible for compliance could void the user’s
authority to operate the equipment.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following 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
RF Exposure Statement
The device has been evaluated to meet general RF
exposure requirement. The device can be used in
portable exposure condition without restriction.
USER MANUAL
Ace A2 se Ace A2 se
www.tecno-mobile.com
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