Product Name 

Multi-Function USB-C Hub
Specification
Selfie screen Screen size: 4.02-inch IPS
Screen resolution: 1136*640P
Screen brightness: 450cd/m2
Screen contrast: 800:1 (Typ.)
Screen ratio: 16:9
Refresh rate: 60HZ
Color gamut: 16.7k (60% NTSC)
Interface: Type-C*1 (power supply 5V1A)
Buttons: power button*1, screen proportional adjustment button*1, screen flip button*1, brightness adjustment button*1
Battery: 1500mA polymer I (Battery life 2H)
Body color: conventional white 
Applicable scope: 10S system 9.0 or above, Android 2.0 or above, Harmony OS system 3.0 or above, Magic OS system 4.0 or above, etc.
Single product size: 10.5*6*1.5cm
Color box size: 12.1*12.6*1.8CM
Standard accessories: selfie screen*1, USBA to Type-C cable*1, remote control*1,
magnetic sheet*1, color box*1 instruction manual
Feature
Versatile Vlogging Solution: This Selfie Monitor Screen allows you to use your phone's rear camera for high-quality selfie videos, live streams, and content creation on TikTok, Instagram, YouTube, and more.
Wireless Connection: Connects wirelessly to your iPhone or Android phone, eliminating the need for cumbersome cables and ensuring a clutter-free setup,and also app free.  Compatibility: Compatible with a wide range of smartphones, making it a convenient choice for content creators and vloggers. Perfectly compatible with iPhone,and also compatible phones have no magnet inside, by using magnetic ring (comes with a
magnetic ring)
Portable Design: Compact and lightweight, only 100g, this selfie monitor screen is easy to carry and set up, allowing you to capture stunning content on the go.  Important Note: 1.  This device isn't compatible with Google Pixel Phones;  2.
If you are using iPhone to connect with this monitor, please make sure you diable Wi-Fi to minimize latency.