Technical specifications:

• Connecting Surface: Radio (RF) + Bluetooth
• Connectivity Technology: Wireless
• Bluetooth: Yes
• Physical Characteristics:
  
  • Width (max): 64 mm
  • Height (max): 40 mm
  • Depth (max): 111 mm
  • Weight: 62 grams
• Basic Data:
• Button + Scroll: 5
• Number of Rollers: 1 piece
• Scroll Direction: Vertical
• Technology:
  
  • Optical
  • Resolution: 1200 dpi