Logitech K400 Plus 2.4GHz Wireless Touch Control Keyboard, Wireless Range: 10m (Black)

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Descriprtions1. 10 meters wireless receiving range, large living room can also be sensitive and stable connection. (The wireless reception range varies depending on the working environment and computer settings).
2. Plug and play: just insert the micro Unifying receiver
You can start using it.
3. Battery life is up to 18 months. (Assuming a maximum of two hours per day. Actual battery life varies with usage, settings, and environmental conditions).
4. The buttons are comfortable to touch, quietly designed, and equipped with a large (35-inch) touchpad. Users can easily browse the computer/TV entertainment system, bid farewell to the chaos and cumbersome operation caused by multi-device operation, and realize worry-free control.
5. Easy to play media classic button layout, easy to use, and easy to operate volume control buttons and arrow buttons.

Parameter:
1. Connection type: Logitech Unifying Union Protocol (2.4GHz).
2. Special buttons: mute, turn up the volume, turn down the volume.
3. Connection / Power: Turns the switch on/off.
4. Battery Details: 2 AA batteries.
5. Battery life (non-rechargeable): Up to 18 months.
6. Key life: Up to 5 million keystrokes.
7. Tap the noise: All buttons are no higher than 55dBA.
8. Wireless range: Approx. 10m (33 feet).

Specification:
1. Product size: height 139.9mm (5.5 inches), width 354.3mm (14.0 inches), depth 23.5mm (1.0 inches).
2. Touchpad size: 47 x 76mm.
3. Weight: 390 grams (when battery is included).

Packing list:
Wireless touch keyboard x 1
Unifying Excellent Receiver x 1
User Documentation x 1


Notice:Please allow slight deviation of measurement due to manual measurement.Due to different producing batches, product details might be a little different.Due to different s and different light, the picture may not reflect the actual of the item.Please consider the actual sizes shown in the listing as the pictures are generally enlarged to show detail.
Dear customer, when you receive my product, please take a minute or two to comment on this product,your help is very important to me. We will take your suggestions seriously and make corresponding adjustmentsThank you very much!