HP SS251 Page-Turning Pen, PPT Laser Pointer Remote Page-Turner, Teacher's Electronic Pointer, Battery-Powered Digital Display LED Screen Countdown Vibration Reminder, Black with Red Light

Function demonstration with easy-to-use buttons

Reminder for charging

One-click hyperlink activation

Volume adjustment during operation

Low battery indicator with slow flashing

Long press for setting countdown timer

Power on/off button

Multi-functional page turning key

Type-C charging port

188. numeric display screen

Built-in 200mAh battery providing power/time information

Low battery warning with flashing indicator

Convenient strap hole

Hidden magnetic receiver for portability and anti-loss

1. Long press upper key for page up

2. Long press lower key for page down

Concave-convex design on upper and lower keys for easier blind operation

Full screen/exit full screen key

Key for screen blackout