LOFREE EH121 Triple Mode NumberPad and Calculator

SPECIFICATIONS

• Keys: 20 keys, Foundation Switch
• Battery: Polymer battery 3.7V950mAh
• Input: 5V
• 1A
• Modes: Wired / Bluetooth / 2.4Ghz
• Weight: 252g
• Material: PC body, ABS/PC keycaps
• Charging Time: About 2.5 h
• Interface: Type-C
• Bluetooth Name: Digit 2@Lofree
• Size: 150 x 94 x 38 mm

PRODUCT GRAPHICS

 

1. Mode Toggle:
   WLS: Bluetooth mode / 2.4G mode
   OFF: Power off
   CAB: Wired mode
2. Type-C Interface:
   Charging mode / wired connection
3. Charging Indicator:
   Power<20%, the indicator flashes slowly
   Power: 5%, the indicator flashes quickly until powers off
   When charging, the indicator is steady on white
   When fully charged, the indicator turns off
4. Numpad Indicator:
   The indicator is steady when in numpad mode; short press the “NI-JM” key to switch to edit mode, indicator turns off
5. Bluetooth/2.4Ghz Indicator:
   On Bluetooth pairing, the indicator flashes slowly in blue(3 mins);turn steady when paired-On Bluetooth reconnecting, the indicator flashes rapidly in blue(l min); turn steady when paired. On 2.4Ghz pairing, the indicator flashes slowly in white (l min); turn steady when paired. On 2.4Ghz reconnecting, the indicator flashes slowly in white (1 min); turn steady when paired
6. Calculator Indicator:
   The indicator is steady when in calculator mode
7. Display Screen:
   Shows calculation process and results in calculator mode
8. Label Sticker

DETAILED OPERATION

Charging
When power the charging indicator flashes slowly,  please charge it with the cable inbox. The indicator is steady on white during charging and turns off when fully charged.

Charging is possible in all modes

Note:
(Bluetooth/2.4Ghz/VVired/Off mode)

Calculator Key Function

1. Swvtch the mode to CAB/WLS
2. Short press the Calc key to enter calculator mode
3. AC Key: Clear digits on screen
4. Delete Key: Deletes the last entered digit
5. E: Display “E” when > 10 digits showed or incorrect calculation- Press “ACA to reset.

(Note: Long press the delete key for continuous deletion Of digits)

Numpad Key Function

1. Wired Mode:
   Switch to CAB mode and connect to a computer with the coupled cable. Short press the NIJM key to activate the wired mode.
2. Bluetooth Mode:
   1. Switch to WLS mode, short press the NIJM key to enter numpad mode.
   2. Long press FN+NUM/CALC/AC until the Bluetooth indicator flashes slowly.
   3. Turn on Bluetooth on the device, find and click “Digit 2@Lofree” in the Bluetooth device list.
   4. The Bluetooth indicator is steady when connected successfully.
   5. Short press FN+NUM/CALC/AC to switch devices.
3. 2.4Ghz Mode
   1. Switch to WLS mode, short press the NIJM key to numpad mode.
   2. Plug the 2.4Ghz receiver into the device’s LISB port.
   3. Short press the FN+Delete key, and the indicator will flash slowly, and turn steady when paired,

 

1. Note: 1, Short press the NIJM key to toggle between numpad numeric keys and editing keys.
2. The editing function is not available when connected to MAC systems devices.

Backlight Adjustment

1. Short press FN+(-) to decrease backlight brightness
2. Short press FN+(+) to increase backlight brightness

Note:

4 Brightness levels: 40%, 70%, and 100%

Power Saving Mode

• Wireless Mode:
  3 mins no trigger—backlight turn off+ Bluetooth connection on- Press any key to wake the backlight.
  5 mins no trigger— the device in deep sleep mode+ Bluetooth disconnect. Press any key to wake up and reconnect Bluetooth/2.4G.
• Wired Mode:
  3 mins no trigger—backlight turns off automatically. Press any key to wake the backlight.

NAME AND CONTENT OF HAZARDOUS SUBSTANCES IN PRODUCT:

This table is prepared by the provisions of SJ/T11364- The classification and marking of this product were performed in accordance with the EU directive 2011/65/EU and the revised directive 2015/863/EU,

• O: Indicates that the said hazardous substance contained in all the homogeneous materials for this component is below the limit requirement in GB/T 26572.
• x: Indicates that this hazardous substance contained in at least one of the homogeneous materials used for this part is above the limit requirement in GB/T 26572

ENVIRONMENTAL PROTECTION INSTRUCTIONS

The hazardous substances contained in the electronic parts of this product will not leak or change under normal use conditions period of ten years. During the same period, the electronic components of this product will not cause serious environmental pollution or serious damage to human health or property while the products are being used by the consumer, According to the Chinese electronic industry standard SJ/T113642014 and related Chinese government regulations, this product and some of its internal or external components may have an environmentally friendly use period mark, depending on the component and component manufacturer, the mark lifespan on the product and its components may vary. The expiration date on the component takes precedence over any conflicted or different I-IFUP tables on the product.

WARNINGS:

• Improper battery replacement may lead to leakage, explosion, or personal injury.
• Do not use the battery if it leaks, discolors, deforms, or exhibits any other abnormalities.
• Do not leave the battery discharged or unused for long periods.
• Battery life varies with usage; dispose of batteries according to local laws, preferably in electronic waste recycling bins,
• If any liquid enters the product, immediately disconnect the power and remove the product. Continuing to use it may cause fire or electric shock. Contact the dealer or the nearest service center for inspection and repair.

FCC Warning

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.

Any Changes or mod if expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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.
• ConsuIt the dealer or an experienced radio/ TV technician for help.

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction

• www.lofree.com.cn
• www.lofree.co
•  lofree.co

Documents / Resources

LOFREE EH121 Triple Mode NumberPad and Calculator [pdf] User Guide 2AC59-EH121, 2AC59EH121, eh121, EH121 Triple Mode NumberPad and Calculator, EH121, Triple Mode NumberPad and Calculator, NumberPad and Calculator, Calculator

References

• User Manual