Brand: Lenovo Model: N60 Color: White/Grey Wireless Technology Type: 2.4GHz Style: 3D, Finger, Mini Operation Mode: Opto-Electronic DPI: 1000 dpi Number of Rollers: 1 Power Type: Battery Number of Buttons: 3 Work Mode: Photoelectric Receiving Range: 10M Roller Direction: Two-Way Roller Power Supply Mode: 2-AA Wi-Fi Range: 10m Tracking Method: Optical Size:9.4 x 5.5 x 1.5 cm 2.4G wireless connectivity features slim fashion than the ordinary mouse to reduce 30%, only 26MM compact styling convenient to carry out According to ergonomic design, a unique and innovative design of left and right hand, slow hand fatigue can be used for a long time work entertainment two. Mini receiver, behind the battery switch, with a standard batteries. Brand Lenovo SKU 100251003_NP-1020510005 Mouse Type Wireless Optical Mouse Connectivity Wireless Model N60