Features:
1) 10m (33') working distance
2) Resolution: 800dpi
3) With 2 AAA batteries
4) Compliance with Bluetooth Specific
Features
1) 20m (66') working distance or 100m working distance
2) Easy scrolling under windows 95 / 98 / Me / NT / 2000 / XP
3) Resolution: 800dpi
4) With 2 AAA batteries
5) Compliance with Bluetooth Specification Version 1.2
6) 0dBm Class 2 or Class 1 output power
7) Sensitivity: better than-80dBm
8) Supports point-to-point (Picone) and point-to-multipoint
9) OS supports Windows 98SE / 2000 / ME / XP and later
10) Supports 79 channels
11) Size: 8.8 x 4.6 x 3.3cm
12) Range of frequency: 2.4GHz ISM spectrum
13) Piconet: supports sever slave
14) Link modes: ACL and SCO
15) RF output power: 0dBm (1mW) class 2 or class 1
16) Security: pairing, encryption, and authentication