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OnePlus U Series 4K LED Smart Android TV   Rs 37,999

Pros: 
- 4K Ultra HD Resolution.
- Hands-free
voice control.
-  3 HDMI ports.
-  2 USB ports.
-  30 Watts Sound output.
-  Google
Assistant.
-  Gamma Engine.
Cons: 
- There is some lag while using
Chromecast.
Hisense Bezelles Series 4K Ultra HD Smart LED
TV                   Rs 38,990

Pros: 
- 4K Ultra HD Resolution.
-  3 HDMI
ports.
-  2 USB ports.
-  Bezel-less Floating Display Design.
-  20 Watts Sound output.
-  Google Assistant.
-  Far Filed Voice Control.
Cons: 
- The software is Little Slow.
Samsung Crystal 7 Series 4K Ultra HD Smart LED
TV                Rs 37,000

Pros: 
- 4K Ultra HD Resolution.
-  60Hz
Refresh rate.
-  3 HDMI ports.
-  1 USB port.
-  20 Watts Sound output.
-  In-built WIFI.
-  Dolby
Audio.
Cons: 
- Sound Quality not up to the
mark.
Mi 5X Series 4K Ultra HD LED Smart Android TV    Rs 30,999

Pros: 
- 4K Ultra HD Resolution.
-  60Hz
Refresh rate.
- 3 HDMI ports.
- 2 USB ports.
-  30 Watts Sound output.
- In-built
Chromecast.
-  2GB RAM.
-  16GB Storage.
-  Bluetooth version 5.0.
Cons: 
- There is some lag while using
Chromecast.
Redmi 4K Ultra HD Android Smart LED X50            Rs 32,999

Pros: 
- 4K Ultra HD Resolution.
-  Refresh rate 60Hz.
-  Bluetooth version 5.0.
-  3 HDMI ports.
-  2 USB ports.
-  30 Watts
Sound output.
-  Chromecast available.
-  4K LED panel.
Cons: 
- Sound not up to the mark.