Specifications:

• Battery model: Battery No.5
• Certification: CE
• Connection method: USB
• Hand Orientation: Right
• Hign-concerned Chemical: None
• Interface Type: USB
• Number of Buttons: 7
• Number of keys: 7 of them
• Number of Rollers: 1 pcs
• Number of rollers: 1 piece
• Operation Mode: Opto-electronic
• operation mode: photoelectricity
• Optical resolution: 2000dpi
• Origin: Mainland China
• Package type: Official standard configuration
• Package: Yes
• Power Type: Battery
• Shuangfeiyan wireless model: G10-810F
• Type: 2.4Ghz Wireless
• Wireless distance: 15m
• Wireless technology: 2.4GHz