Line-in connection charging, Led behavior, Specifications – Cleer Alpha Noise-Canceling Wireless Over-Ear Headphones (Black) User Manual
Page 2: Warranty notice

L
Press
once
x1
Noise Cancellation Mode and
Ambient Mode
Conversation Mode
ANC button
Toggle between Noise Cancellation
Mode and Ambient Mode
ALPHA will lower the volume
and go into Ambient Mode
while you place your hand
on the right ear cup - for
quick conversations with
flight attendants or people
around you
Noise Cancellation Mode: Our hybrid noise
canceling technology and optimized passive
isolation can suppress (~30dB) wide-band
ambient noise
Ambient Mode: Allows you to hear sounds
around you even while wearing your ALPHA
*
ALPHA is set to Noise Cancellation Mode when
powered ON
Line-in connection
Charging
Connect ALPHA to a power source
with the provided USB-A to USB-C
cable.
A 10-minute charge will give 4.5
hours of playtime. ALPHA can be
fully charged in 2 hours.
R
R
You can connect your ALPHA to your audio
device with the provided 3.5mm to 3.5mm
audio cable.
Hi-Res output is only available thru line-in
connection.
LED OFF
L
R
LED Behavior
Battery low (<10%)
Charging
Battery fully charged
Power on
Power off
Power on but not connected with
any device
Power on and connected with device
Pairing mode
Specifications
Driver:
Supported audio CODEC:
Frequency response range:
Connections:
Supported Bluetooth profiles:
Charging:
Bluetooth transmission
frequency range:
Battery:
Playback time (BT+ANC):
Weight:
40mm Ironless™ Driver
SBC, aptX, aptX HD
20-40KHz (Line in) /20- 20KHz
(Bluetooth)
USB-C to USB-A for charging;
3.5mm to 3.5mm for audio
BT 5.1, SPP v1.0, HFP v1.6, A2DP
v1.3.1, AVRCP v1.6
A 10-minute charge will give 4.5
hours of playtime. ALPHA can be fully
charged in 2 hours
2.402-2.480GHz
Rechargeable lithium ion rectangle
cell (3.7V)
40 hours
330g
Cleer Limited Warranty
Cleer Limited warrants this product against defects in material or
workmanship for (1) year as set forth below when purchased directly
from Cleer Limited or a Cleer Limited retailer. Pursuant to this Limited
Warranty, Cleer Limited will, at its option, (i) repair the product using
new or refurbished parts or (ii) replace the product with a new or
refurbished product. For purposes of this Limited Warranty,
“refurbished” means a product or part that has been returned to its
original specifications. In the event of a defect, these are your
exclusive remedies.
Labor: For a period of (1) year from the original date of purchase of
the product (“Labor Warranty”), Cleer Limited will, at its option, repair
or replace with new or refurbished product, product determined to be
defective. If Cleer Limited elects to replace the product after this
Labor Warranty has expired but while the parts warranty is still in
effect, it will do so for the applicable labor charge.
Parts: For a period of (1) year from the original date of purchase of the
product (“Parts Warranty”), Cleer Limited will supply new or
refurbished replacement parts in exchange for parts determined to
be defective.
This Limited Warranty covers only the hardware components
packaged with the Product. It does not cover technical assistance for
hardware or software usage and it does not cover any software
products whether or not contained in the Product; any such software
is provided “AS IS” unless expressly provided for in any enclosed
software Limited Warranty. Please refer to the End User License
Agreements included with the Product for your rights and obligations
with respect to the software.
Instructions: To obtain warranty service, you must deliver the Product,
freight prepaid, in either its original packaging or packaging affording
an equal degree of protection to the original Cleer Limited retailer
(point of purchase) or Cleer Limited Customer Service. It is your
responsibility to backup any data, software or other materials you
may have stored or preserved on your unit. It is unlikely that such
data, software or other materials will be lost or reformatted during
service and Cleer Limited will not be responsible for any such
damage or loss. A dated purchase receipt from Cleer Limited or a
Cleer Limited retailer is required. For specific instructions on how to
obtain warranty service for your product,
Visit the Cleer Limited website: www.cleeraudio.com
Following warranty service your original Product or a replacement
Product will be returned to you as your Product was configured when
originally purchased.
Repair / Replacement Warranty: This Limited Warranty shall apply to
any repair, replacement part or replacement product for the
remainder of the original Limited Warranty period or for (90) days,
whichever is longer. Any parts or product replaced under this Limited
Warranty will become property of Cleer Limited.
This Limited Warranty shall not apply to: (a) consumable parts, such as
batteries that are designed to diminish over time, unless failure has
occurred due to a defect in materials or workmanship; (b) cosmetic
damage, including but not limited to scratches, dents and broken
plastic on ports; (c) defects caused by normal wear and tear or
otherwise due to the normal aging of the device; (d) damage caused
by accident, negligence, abuse, misuse, fire, earthquakes, acts of God
or damage resulting from liquid outside of the approved levels; (e)
damage caused by operating the device outside Cleer Limited
published guidelines; (f) damage caused by service performed by
anyone who is not a representative of Cleer Limited or a Cleer
Limited authorized service provider; (g) Products whose seals are
tampered; (h) Products whose serial numbers have been removed or
defaced from such Product; (i) modifications, alterations or repairs to
the Product made by a party other than Cleer Limited or a party
authorized by Cleer Limited; (j) any failure by End User or a third party
to comply with environmental and storage requirements for the
Product specified by Cleer Limited, including, without limitation,
temperature or humidity ranges; or (k) use of the Product in
combination with any third-party devices or products that have not
been provided or recommended by Cleer Limited.
LIMITATION ON DAMAGES: CLEER LIMITED SHALL NOT BE LIABLE
FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
BREACH OF ANY EXPRESS OR IMPLIED WARRANTY ON THIS
PRODUCT.
DURATION OF IMPLIED WARRANTIES: EXCEPT TO THE EXTENT
PROHIBITED BY APPLICABLE LAW, ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ON
THIS PRODUCT IS LIMITED TO THE DURATION OF THIS
WARRANTY.
DISCLAIMER: THE LIMITED WARRANTY SET FORTH HEREIN IS
EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES OR
CONDITIONS RELATING TO THE PRODUCT, WHETHER EXPRESS OR
IMPLIED, AND CLEER LIMITED EXPRESSLY DISCLAIMS ALL OTHER
WARRANTIES AND CONDITIONS WHETHER EXPRESS, IMPLIED OR
STATUTORY, INCLUDING ANY IMPLIED WARRANTIES OF
MERCHANTABILITY, NON-INFRINGEMENT, FITNESS FOR A
PARTICULAR PURPOSE, AND ANY WARRANTIES ARISING OUT OF
COURSE OF DEALING OR USAGE OF TRADE AND AGAINST HIDDEN
DEFECTS, TO THE FULLEST EXTENT PERMITTED BY LAW. CLEER
LIMITED DOES NOT WARRANT THAT THE PRODUCT WILL MEET
CUSTOMER’S REQUIREMENTS OR THAT USE OF THE PRODUCT
WILL BE UNINTERRUPTED OR ERROR FREE. NO ADVICE OR
INFORMATION, WHETHER ORAL OR WRITTEN, OBTAINED FROM
CLEER LIMITED OR ELSEWHERE WILL CREATE ANY WARRANTY
NOT EXPRESSLY STATED IN THIS WARRANTY.
Recycling
Your product is designed and manufactured with high
quality materials and components, which can be recycled
and reused. When you see the crossed out wheel bin
symbol attached to a product, it means the product is
covered by the European Directive 2002/96 EC:
Never dispose of your product with other household
waste. Please inform yourself about the local rules on
the separate collection of electrical and electronic
products. The correct disposal of your old product helps
prevent potentially negative consequences on the
environment and human health. Your product contains batteries
covered by the European Directive 2006/66/EC, which cannot be
disposed of with normal household waste.
The device complies with RF specifications when the device used at
0mm from your body. Hereby, Cleer Limited. Declares that the
product compliance with essential requirements and other relevant
provisions of Directive 2014/53/EU.
Compliance with FCC rules
1. 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.
(2) This device must accept any interference received, including
interference that may cause undesired operation.
2. Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate
the equipment.
NOTE: This equipment has been tested and found to 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.
Radiation Exposure Statement:
This equipment complies with FCC radiation exposure requirement.
The device can be used in portable exposure condition without RF
restriction.
Register your product and get support at www.cleeraudio.com
©2021 Cleer Limited. All rights reserved.
The Bluetooth® word mark and logos are registered trademarks
owned by Bluetooth SIG, Inc. and any use of such marks by Cleer
Limited is under license. Other trademarks and trade names are those
of their respective owners.
Qualcomm aptX is a product of Qualcomm Technologies, Inc. and/or
its subsidiaries. Qualcomm is a trademark of Qualcomm Incorporated,
registered in the United States and other countries. aptX is a
trademark of Qualcomm Technologies International, Ltd., registered
in the United States and other countries.
Made in China.
WARRANTY
NOTICE