Microsoft Surface Arc Bluetooth - Light Gray

Model: FHD-00001 (Light Gray variant) . Connectivity & Range: Bluetooth 4.1; wireless range up to 32.8 ft (10 m) in open areas . Battery: Uses 2 AAA alkaline batteries (included) with a life of up to 6 months . Tracking: Microsoft BlueTrack Technology with 1000 DPI resolution . Design: Snaps flat for travel and powers on/off; dimensions: 131 x 55 x 14 mm (5.17 x 2.17 x 0.56 in); weight: 82.49 g (2.91 oz) with batteries .