Modulation frequency :2.4-2.4835GHZWorking temperature:-20Celsius-65CelsiusBattery type :300mah ,3.7 V lithium batteryOverall power consumption : less then 53mAStandy power consumption : less then 25uAKey number :59 keysRemote control distance :Greater than 10 metersCharging port :micro-USBSize:193x96x16.7 mmSupport systme : Android / Windows / Mac OS / LinuxColour:blackMaterial:plasticPackage Contents:1 x W2 Fly Air MouseOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.