Main features:1.2.4Ghz wireless mouse, 10m effective distance, quick response.2. No setup required, plug and play, insert "AAA" battery, connect USB adapter.3.1 AAA batteries can be used for 1-3 months, and there is an automatic power-off function when there is no signal, which saves more power.4. Ideal for drawing, signing, Photoshop, diagrams and presentations or any heavy mouse application.5. The base of the mouse is small, and it does not take up space when placed.SpecificationCondition: 100% brand newColor: red black/blue black/gray blackMaterial: plastic and metalPen Mouse Dimensions: Approx. 13.9 x 2.1 x 1.5 cm (5.47 x 0.83 x 0.59 inches) (L x W x D)Base Dimensions: Approx. 6 x 3 x 3 cm (2.36 x 1.18 x 1.18 inches) (L x W x H)3 adjustable resolution: 800/1200/1600dpiPower: 1 AAA batteryNumber of keys: 4Working frequency: 2.402GHZ-2.480GHZChannel: 16, with automatic frequency hoppingRated operating voltage: 3VRated working current: 15mATracking method: optical technologyMaximum Acceleration: 14 inches/secondCompatible with: Laptops, Tablets, SmartphonesContains items:1 x Pen Mouse (Battery not included)1 x USB 2.4GHz receiver1 mounting base1 English manual