Targus AMP09. Wireless technology: RF, Frequency band: 2.4 GHz, Connector(s): USB. Battery technology: Alkaline, Battery type: AAA. Product colour: Black, Compatibility: Mac, PC, Certification: CE. Width: 25 mm, Depth: 38 mm, Height: 120 mm. Package width: 70 mm, Package depth: 220 mm, Package height: 155 mm