Steelseries World of Warcraft Wireless MMO Gaming Mouse. Device interface: RF Wireless, Movement detection technology: Laser, Purpose: gaming. Frequency range: 2.4 GHz, Wireless range: 3 m. Power source: batteries, Battery life (max): 16 h. Mouse weight: 0.115 kg. Mouse dimensions (WxDxH): 81 x 115 x 40 mm