• Comfortable silicone keys + protruding embossed key design, even if you don't look at the keys. It can also be operated freely to prevent pressing the wrong button
• Responsive, large space use, powerful function, long use time, compatible with multiple systems
• Lightweight and portable design, this presenter pointer is easy to carry

Specifications:

• Transmitter:
• Control distance: 100m (in demo environment)
• Laser distance: >200m (in demo environment)
• Laser wavelength: 650nm (red version)/520nm (green version)
• Laser power: < 5mW
• Power supply mode: Lithium battery power supply 170mAh
• Working voltage: 3-3.7V
• Product size: 126x12x23mm
• Weight: 30g
• Receiver:
• Operating System: Windows Vista XP/7/8/10, for Mac, for Linux, Android
• Compatible interface: USB2.0 compatible with USB3.0 USB1.1 
• Working voltage: 4.5-5.5V
• Dimensions: 32x14.7x6.5mm
• Weight 2.3g