Specification:1. Brand: Azzor2. Model: N53. Item: Wireless Mouse4. Color: White, Matte Black5. Connection: 2.4GHz Wireless6. Power: 3.7V, 6mA7. Operation Range: ≤10m(No Barriers)8. Operation Method: Optical9. Battery: Built-in rechargeable lithium battery10. Dimension: 112 * 57 * 20mmFeatures:1.  2.4GHz wireless connction, cord-free makes it more comfortable your use, and it is up to 10m transmission range.2. Dual colors for option, smooth white and matte black surface. 3. Built in rechargeable lithium battery, full-charged can be used for 2-4 months.4. Up to 2400dpi, provides precise tracking and positioning.