Full specifications
General
Model
K21 Bluetooth Smartwatch Mobile, K21 Bluetooth Smartwatch Mobile
Sim Type
Single Sim, GSM
Dual Sim
No
Device Type
Feature Phone
Display
Type
Color TFT Screen
Touch
Yes
Size
1.57 inches, 240 x 240 pixels
Aspect Ratio
1:1
PPI
~ 216 PPI
Memory
Card Slot
Yes, upto 32 GB
Connectivity
GPRS
Yes
EDGE
Yes
3G
No
Wifi
No
Bluetooth
Yes
USB
Yes
Extra
3.5mm Headphone Jack
Yes
Camera
Rear Camera
No
Video Recording
No
Front Camera
No
Technical
Java
No
Multimedia
FM Radio
No
Battery
Type
Non-Removable Battery
Size
380 mAh
Specifications compiled from Smartprix. Last updated 2026-09-29.
More smartphones
View all →
Honor
Honor Power 3
- Display6.79 inches AMOLED
- ChipsetMediatek Dimensity 8600
- Main Camera50 MP
- Battery12000 mAh, Si/C
₹44,990
itel
itel Ace 3
- Display1.8 inches TFT
- Battery2500 mAh, Li-ion Battery
- Memory32 MB RAM, 32 MB
₹999
Realme
Realme X60 Pro 5G
- Display6.57 inches Super AMOLED
- ChipsetQualcomm Snapdragon 888
- Main Camera64 MP
- Battery4200 mAh, Li-Po Battery
₹39,999
Motorola
Motorola Razr 50s
- Display6.9 inches LTPO AMOLED
- ChipsetMediaTek Dimesity 7300x
- Main Camera50 MP
- Battery4200 mAh, Li-Po Battery
₹45,990