Does the usb have to be plugged into my pc or xan i plug it into the back of my tv

You could try bc some smart tv with internet ready has usb port where you could plug a wireless mouse and keyboard. This overlay is just like a giant trackpad or mouse that navigate the entire tv screen, it senses the exact location of your finger like a gps.

How many actual touch points?

Dear Friend： Actually 10 point touch point.

is that work with android TV?

Some tv has usb port where you could use wireless keyboard and mouse.

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Chengying 75 inch Multi-Touch 10 Points Infrared - 75" IR Touch - USB - HID Compatible

Chengying 75 inch Multi-Touch 10 Points Infrared - 75" IR Touch - USB - HID Compatible

Product ID: 207741842

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Details

Brand
Chengying
Screen Size
75 Inches
Aspect Ratio
16:9
Screen Surface Description
Glossy
Response Time
10

📏75-inch expansive touch frame

🔌USB HID plug & play

🔟10-point multi-touch precision

Description

🚀 Elevate your touch game—big, bold, and brilliantly responsive!

VERSATILE APPLICATION READY - Perfect for education, boardrooms, kiosks, and digital signage—upgrade any space instantly.
MASSIVE 75 INCH TOUCH CANVAS - Transform any display into an interactive powerhouse with a giant 75-inch frame.
SEAMLESS 10 POINT MULTI TOUCH - Engage multiple users simultaneously for dynamic collaboration and presentations.
ULTRA HIGH RESOLUTION SUPPORT - Supports up to 7680 x 4320 resolution for crystal-clear visuals on your existing screen.
PLUG PLAY USB HID COMPATIBILITY - Effortless integration with Windows, Android, and Mac—no drivers needed.

The Chengying 75-inch Multi-Touch Infrared Touch Frame offers a sleek, driver-free USB interface supporting 10 simultaneous touch points. Designed for easy installation and broad OS compatibility, it transforms any large display into an interactive hub ideal for education, corporate, and public environments.

Specifications

Standing screen display size	75 Inches
Screen Resolution	32768*32768
Max Screen Resolution	7680 x 4320
Brand	Chengying
Series	Chengying 75 inch Multi-Touch 10 Points Infrared Touch Frame
Item model number	dbdc91c8-44eb-4316-aea2-c83655b10bf8
Item Weight	6.78 pounds
Package Dimensions	69.5 x 3 x 3 inches
Color	Black
Voltage	5 Volts
Manufacturer	Chengying
ASIN	B085Y5JQZP
Date First Available	March 25, 2020

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