Compare Portronics Bubble 3.0 Wireless Bluetooth… vs ZEBRONICS K51
Key differences
- Cheapest right now: ZEBRONICS K51 at ₹299.
- Portronics Bubble 3.0 Wireless Bluetooth… doesn’t list 10 of the specs the others show on Flipkart.
2 computer keyboardsSpecs from each Flipkart listing
₹879₹2,999
Checked 10 Nov 2026, 8:18 am ISTFlipkart 
₹299₹899
Checked 10 Nov 2026, 2:36 pm ISTFlipkart Price today
Flipkart MRP
₹2,999
₹899
Below MRP
70%
66%
In The Box
Sales Package
1 KEYBOARD
Keyboard- 1 Unit
General
Brand
Portronics
ZEBRONICS
Model Name
Bubble 3.0 Wireless Bluetooth Keyboard Rechargeable Battery,Dual Height Adjustment
ZEB-KKB 2
Model Number
Bubble 3.0 Wireless Bluetooth Rechargeable Keyboard,Dual Height Adjustment
K51 (ZEB KKB2)
Type
Laptop Keyboard
Laptop Keyboard
Interface
Bluetooth, Wireless
Wired USB
Multimedia Keys
Yes
Yes
Dimensions
Size
Standard
Standard
Width
Not listed
440 mm
Height
Not listed
20 mm
Depth
Not listed
145 mm
Cable Length
Not listed
1350 mm
Weight
Not listed
420 g
Additional Features
Other Features
Dual Height Adjustment Stand, Multi-Device Connectivity, Microsoft Co-Pilot Feature, Built-in Tablet & Mobile Holder
Not listed
Key Features
Not listed
Ergonomic design: For a convenient working experience, the ZEB-K51 keyboard is designed to have a slim outlook., Number of keys: The ZEB-K51 is a regular-use keyboard with 105 keys that are set up in a conventional configuration., ₹ Key: To cater to regional users, the ZEB-K51 keyboard has a dedicated ₹ Key., Special keys: It is possible to integrate a total of 12 multimedia keys for managing audio, playback, volume, and other multimedia operations., Cable length: To enable connectivity on this
Product Details
Color
Beige
Black
Compatible With
Laptop, Desktop
Desktop, Laptop, Mac
Part Number
Not listed
Zeb
Indian Rupee Symbol
Not listed
Yes
Form Factor
Not listed
Ergonomic Design
Switch Type
Not listed
Standard
Specs are copied exactly from each Flipkart listing (last seen 2026-11-10); sellers write them and they can be incomplete or wrong. “Not listed” means Flipkart does not show it — we never fill it in. Prices are our own checks, shown only while under 24 hours old. See all computer keyboards to compare.