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Keyboard comparison

Logitech K400 Plus vs Logitech Pebble Keys 2 K380s

Compare layout, connection, battery and typing feel.

Compared products
01Selected
Logitech K400 Plus

Logitech K400 Plus

  • 390 g.
  • 2.4 GHz wireless connection.
  • Battery: 2 × AA.
  • Customization software: Logitech Options.
KSh 5,900In Stock
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02
Logitech Pebble Keys 2 K380s

Logitech Pebble Keys 2 K380s

  • Battery: 2 × AAA.
  • On/Off Switch.
  • Bluetooth Low Energy.
  • Up to three devices with Easy-Switch.
  • Customization software: Logi Options+ on Windows and macOS.
KSh 7,700In Stock
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Logitech K360KSh 4,500
Logitech MK250 Mouse and Keyboard ComboKSh 4,450
Logitech MK330KSh 5,700
Logitech MK270KSh 4,600
Logitech MK345 Keyboard and Mouse ComboKSh 6,000
Logitech MK295KSh 5,200
Logitech MK235KSh 4,450
2 of 4 products

Our quick verdict

Choose the Logitech Pebble Keys 2 K380s if you want up to 36 months of battery life. Choose the Logitech K400 Plus if you prefer 2 × AA and a keyboard in the box.

This comparison is partial: only 9 of the 17 specifications are published for both products. The Logitech K400 Plus does not list Bluetooth, Multi-Device Connection or Power Switch; the Logitech Pebble Keys 2 K380s does not list Windows, Other Operating Systems or dimensions.

Battery capacity

Logitech K400 Plus
2 × AA
Logitech Pebble Keys 2 K380s
2 × AAA

Connections

Logitech K400 Plus
2.4 GHz wireless Unifying USB receiver
Logitech Pebble Keys 2 K380s
Bluetooth Low Energy

Customization software

Logitech K400 Plus
Logitech Options
Logitech Pebble Keys 2 K380s
Logi Options+ on Windows

Key differences

The main differences to help you choose.

Logitech K400 Plus

  • Power: 2 × AA.
  • Also in the box: keyboard and Logitech Unifying receiver.
  • Connection type: 2.4 GHz wireless Unifying USB receiver.

Logitech Pebble Keys 2 K380s

  • Longer rated battery life: up to 36 months (vs 18).
  • Power: 2 × AAA.
  • Also in the box: Important Info Document.
  • Connection type: Bluetooth Low Energy.
  • Connects to two devices at once.

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

4 priorities selected.
How each product answers the selected priorities
PriorityLogitech K400 PlusLogitech Pebble Keys 2 K380s
Connections2.4 GHz wireless Unifying USB receiverBluetooth Low Energy
Battery lifeUp to 18 months of battery lifeUp to 36 months of battery life
Battery capacityBattery: 2 × AABattery: 2 × AAA
Customization softwareLogitech OptionsLogi Options+ on Windows and macOS

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationLogitech K400 PlusLogitech Pebble Keys 2 K380s
BrandLogitechLogitech
ModelK400 Plus (920-007145)Pebble Keys 2 K380s — Tonal Graphite: 920-011851; Tonal Rose: 920-011853
TypeComputer keyboardComputer keyboard
LayoutUS International (QWERTY)English International (QWERTY)
ColorBlackTonal Graphite; Tonal Rose

Design

Design specifications comparison
SpecificationLogitech K400 PlusLogitech Pebble Keys 2 K380s
Dimensions139.9 × 354.3 × 23.5 mm—
Weight390 g with batteries—

Connectivity

Connectivity specifications comparison
SpecificationLogitech K400 PlusLogitech Pebble Keys 2 K380s
Connection Type2.4 GHz wireless Unifying USB receiverBluetooth Low Energy; optional Logi Bolt receiver
Wireless ReceiverUnifying USB receiver includedLogi Bolt compatible; receiver not included
Wireless RangeUp to 10 m10 m
Bluetooth—Bluetooth Low Energy
Multi-Device Connection—Up to three devices with Easy-Switch

Battery & Power

Battery & Power specifications comparison
SpecificationLogitech K400 PlusLogitech Pebble Keys 2 K380s
Battery Type2 × AA2 × AAA
Battery LifeUp to 18 monthsUp to 36 months
Power Switch—On/Off Switch
Battery Indicator—Battery LED and 3 Easy-Switch Bluetooth channels

Lighting & Features

Lighting & Features specifications comparison
SpecificationLogitech K400 PlusLogitech Pebble Keys 2 K380s
Customization SoftwareLogitech OptionsLogi Options+ on Windows and macOS
Special FeaturesDedicated volume keys; second left-click button Two AA batteries; up to 10 m wireless range; compatible with Windows 7 or later, Android 7 or later and ChromeOS.Easy-Switch for up to three devices; Customizable shortcuts with Logi Options+

System Requirements

System Requirements specifications comparison
SpecificationLogitech K400 PlusLogitech Pebble Keys 2 K380s
WindowsWindows 7 or later—
Other Operating SystemsAndroid 7 or later; ChromeOS—

What's in the Box

What's in the Box specifications comparison
SpecificationLogitech K400 PlusLogitech Pebble Keys 2 K380s
In the BoxKeyboard; Logitech Unifying receiver; 2 AA batteries (pre-installed); User documentationPebble Keys 2 K380s keyboard; 2 X AAA Alkaline batteries (pre-installed); User documentation; Important Info Document (IID)

Similarities

  • Both connect with a USB receiver.
  • Both have a range of up to 10 m.
  • Same type: computer keyboard.
  • Both are made by Logitech.

In summary

Choose Pebble Keys 2 K380s for longer rated battery life.

Back to compared products ↑

In-stock alternatives

Logitech MK345 Keyboard and Mouse ComboFor Logitech K400 PlusLogitech MK345 Keyboard and Mouse ComboView product ↗Logitech MK330For Logitech K400 PlusLogitech MK330View product ↗Logitech Pebble 2 ComboFor Logitech Pebble Keys 2 K380sLogitech Pebble 2 ComboView product ↗

Related comparisons

Logitech K360Logitech K400 PlusLogitech K400 PlusLogitech MK250 Mouse and Keyboard ComboLogitech MK330Logitech K400 PlusLogitech MK270Logitech K400 PlusLogitech MK345 Keyboard and Mouse ComboLogitech K400 PlusLogitech MK295Logitech K400 PlusLogitech K400 PlusLogitech MK235Logitech K400 PlusLogitech K580Logitech K400 PlusLogitech K375s
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