Main Features:
1. Dual-mode connection device: Bluetooth 5.3 and 2.4G wireless
2. Compatible systems: iOS, MacOS, Android, Windows,
3. Compatible devices: Android phone, Android tablet, iPhone, 
    iPad, Desktop computer, Laptop
4. Usage scenarios:
     Web browsing
     PowerPoint/Keynote page-turning
     Short video control (TikTok, Instagram, YouTube)
     Selfie&recording
     E-book App page turning
5.Laser pointer