Read all information before using the device to ensure safe and proper use.
1. Please use the device within a temperature range of -10°C~+50°C and store the device and
its accessories within a temperature range of -10°C~+50°C. Extremely high or low
temperatures may cause malfunction of the device. The performance of battery may
compromise when temperature is lower than 5°C.
2. When charging, please keep the device in a well-ventilated area. Please charge this device
in an environment between 5°C and 35°C. If the product has a ash charging function, it may
not be able to enter the ash charging mode when the temperature is below 15°C or over
35°C.
3. The adapter, as the disconnect device from the mains, shall be installed near the device and
easily accessible.
4. Use manufacturer-approved chargers, data cables, batteries and other accessories to
prevent potential electric shock, re, explosion or other hazards.
5. Do not replace, disassemble, modify, mechanically crush or cut the battery, as it may cause
battery leakage, overheating, explosion or re.
6. Do not place the device or battery directly in sunlight, near/inside sources of heat or in a
low air pressure location, which may lead to an explosion or battery leakage.
7. The battery can be charged and discharged hundreds of times at least, but it will eventually
wear out.
8.The battery must be recycled or disposed of separately from household waste. Mishandling
the battery may cause re or explosion.
9.To prevent damage to your device's parts or internal circuits, do not use it in dusty, smoky,
damp or dirty environments or near magnetic elds.
10. If any part of the product is cracked or damaged, discontinue use immediately and contact
support@keychron.com
11. Power off your device in any area with a potentially explosive atmosphere, in blasting
areas/near blasting caps and comply with all signs and instructions.
12. Observe all safety instructions for any places, especially in hospital/health care facilities,
service stations, schools, professional garages and in an aircraft.
13. Do not use your device and adhere to all safety warnings/regulations regarding mobile
device usage while driving.
14. Persons with electronic implants (pacemakers, insulin pumps, neurostimulators, etc.) are
recommended to place the mobile telephone 15 cm away from the implant or on the opposite
side of the implant.
15. Do not leave your device and its accessories within the reach of small children or allow
them to play with it. They could hurt themselves or others, or may accidentally damage the
device.
16. Your device contains small parts with sharp edges that may cause an injury or which could
become detached and create a choking hazard. Children and Minors should use the device
under the supervision of a guardian to prevent swallowing.
FCC Regulatory Conformance
FCC Statement
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: The manufacturer is not responsible for any radio or TV interference caused by
unauthorized modications or changes to this equipment. Such modications or changes
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 to part 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.
FCC Caution
• Any changes or modications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
• The antenna(s) used for this transmitter must not be collocated or operate in conjunction
with any other antenna or transmitter.
RF Exposure Information
This device meets the government’s requirements for exposure to radio waves.
This device is designed and manufactured not to exceed the emission limits for exposure to
radio frequency (RF) energy set by the Federal Communications Commission of the U.S.
Government.
This device was tested for typical near Body operations kept 0cm away, and this device
complies with FCC radiation exposure limits set forth for an uncontrolled environment.
EU/UK Regulatory Conformance
RF exposure information
RF exposure assessment has been performed below to prove that this unit will not generate
the harmful EM emission above the reference level as specied in EC Council Recommenda-
tion (1999/519/EC).
EU Declaration of Conformity (DoC)
Hereby, Shenzhen Bipu Technology Co., Ltd. declares that this Mechanical Keyboard (Model:
PKKE221) is in compliance with the essential requirements and other relevant provisions of
Directive 2014/53/EU and 2011/65/EU. The full text of the EU declaration of conformity is
available at the following internet address:
https://www.keychron.com/pages/user-manual
UKCA Declaration of Conformity
Hereby, Shenzhen Bipu Technology Co., Ltd. declares that the Mechanical Keyboard (Model:
PKKE221) with this declaration and bearing the UKCA Mark is in compliance with UK
Regulations 2017(S.I. 2017/1206) and RoHS regulations 2012(S.I. 2012/3032). The full text of
the UK declaration of conformity is available at the following internet address:
https://www.keychron.com/pages/user-manual
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