Philips Wireless Presenter SPT9507 Laser flip pen PPT remote control speech projector pen Teacher's PowerPoint wireless infr

Philips Wireless Presenter SPT9507 Brand: Philips Body: Weight: 55g ± 5g Integrated design Receiver hidden at the bottom of the pen Silicone buttons Aluminum alloy material Drop-resistant and wear-resistant Model: SPT9507 Receiver: Weight: 2g Compatible with USB 1.1, 2.0, and 3.0 Plug and play, no installation needed Sturdy and durable Remote Control Technology 30-meter remote control distance One-to-one RF frequency Strong signal to avoid interference Battery Power: 200mAh polymer lithium battery Type-C charging port 2-hour charge, 90-day battery life Laser Type: Laser color: Red laser, range over 200 meters Operating System: Windows XP/7/8/10, Mac OS Android, Linux