Description:The slim Wireless Bluetooth Keyboard with up to 10m effective working distance is a fantastic addition to home or travel. The mini slim keyboard easily fits into suitcases and handheld storage for easy access. Besides, internal rechargeable battery gives you up to 90 hours of continue working time on one full charge. Specifications:Bluetooth specification: V3.0Bluetooth name: Bluetooth Keyboard Chip: Broadcom 3.0 chipCompatible system: For Windows & Android,for IOSBattery capacity: 280mAhOperating voltage: 3.1-4.2VOperating range: Up to 10m / 33ftContinue working time: 90 hoursCharging port: Micro USB Key number: 59Color: BlackMaterial: Plastic keys + iron bottom coverDimension: Approx. 200 * 126 * 6.2mm / 7.9 * 5.0 * 0.24inch Package weight: 192gPackage List:1 x Bluetooth Keyboard1 x USB Cable1 x User ManualNote: Please allow 1-3mm errors due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.