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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Chengying75 Inch Multi-Touch 10 Points Infrared Frame - 75" IR Touch Overlay - USB Interface - HID Compatible

Chengying75 Inch Multi-Touch 10 Points Infrared Frame - 75" IR Touch Overlay - USB Interface - HID Compatible

Product ID: 447985713

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Details

Brand
Chengying
Screen size
75 Inches
Resolution
4K UHD 2160p
Aspect ratio
16:9
Screen surface description
Glossy

📏75-inch expansive touch area

🔌USB HID plug & play

🔟10 simultaneous touch points

Description

🚀 Elevate Every Touch: Where Collaboration Meets Cutting-Edge Tech

MASSIVE 75 INCH TOUCH CANVAS - Transform any display into an interactive powerhouse with a giant 75" frame.
SEAMLESS 10 POINT MULTI TOUCH - Engage multiple users simultaneously for dynamic collaboration and presentations.
ULTRA HIGH RESOLUTION SUPPORT - Crystal-clear 4K (3840x2160) touch precision for stunning visuals and accuracy.
UNIVERSAL USB HID COMPATIBILITY - Plug & play with Windows, Mac, and Android—no drivers, no hassle.
EFFORTLESS INTEGRATION INSTALLATION - Lightweight 3.08 kg frame designed for quick setup in boardrooms, kiosks, or classrooms.

The Chengying 75 Inch Multi-Touch Infrared Frame is a sleek, lightweight touch overlay designed to convert any 75" display into a high-precision interactive surface. Supporting up to 10 simultaneous touch points via a USB HID interface, it offers seamless plug-and-play compatibility across Windows, Mac, and Android platforms. With ultra-high 4K resolution support and easy installation, it’s ideal for education, corporate, and public interactive environments.

Specifications

Brand	Chengying
Package Dimensions	176.53 x 7.62 x 7.62 cm; 3.08 kg
Item model number	dbdc91c8-44eb-4316-aea2-c83655b10bf8
Manufacturer	Chengying
Series	Chengying 75 inch Multi-Touch 10 Points Infrared Touch Frame
Color	red
Standing screen display size	75 Inches
Screen Resolution	32768*32768
Resolution	3840 x 2160
Voltage	5 Volts
Are Batteries Included	No
Item Weight	3.08 Kilograms

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