UGREEN Privacy Screen Protector with Precise-align Applicator for iPhone 12 Pro Max 6.7-inch (1-Pack)

*Connectivity: Bluetooth/2.4GHz
*Bluetooth Version: 5.0
*Connecting devices: can simultaneously connect 3
devices (one 2.4G, two BT)
*Transmission Distance: 10m/33ft Max (no blocking)
*DPI (Sensitivity): 1000/1600/2000/4000 DPI
*Charging Port: USB-C
*Battery Capacity: 500mAh 3.7V (1.85 Wh)
*Charging Time: About 2 hours
*Compatible Systems:
Windows 7/8.1/10/11
macOS 10.5 or later
Linux
Chrome OS
iPadOS 14 or later
Android 5.0 or later
iOS 15 or later
HarmonyOS

*Mode:Wireless -2.4 GHz or 2.4 GHz&BT 5.0
*Operating Distance:15 m/49.2ft
*DPI:800/1200/1600/2000/4000 DPI
*5 Buttons Function
*Click button : Mute button, the lifespan of 3 million
times
*Scroll : Rubber material with silent encoder, 300,000
times lifespan
*Operating Voltage: 1.5V
*Operating Current: 40mA
*Insert the AA alkaline battery
*Compatible Systems: Windows 7/8.1/10/11;macOS
10.5 or later; Linux;Chrome 0S;Android
*Support Mac mode
*Operating Temperature:
-5°C~40°C/23*F~104*F
*Storage Temperature:
-10°C ~ 60*C/14*F~140°F