Main Features:Bluetooth V3.0Adopt wireless Bluetooth V3.0 technology， you can use it up to 15 meters away from your phone or tablet PCWater resistant functionYou do not have to worry about spilled water on the keyboard anymoreFolding and ultra-lightIt can be rolled up to take， perfect for home use， travel or business trip. You can put it in your briefcase， backpack， or notebook carrying bagComfortable and muteSoft touch and with no noise while typingSpecificationsBluetooth version: Bluetooth V3.0Keys number: 87Operating voltage: DC 3.0 - 5.0 VOperating current: Less than 5mAOperating distance: Up to 10mInput impedance: 50ohmBattery: Built-in batteryCapacity: 200mAhCharging time: About 3.5 hoursPlease note: The tablet PC is not includedCompatibility: Galaxy S4/GT-I9500， IPad 4， iPhone 4， iPhone 6， iPad Air， iPhone 4S， Samsung Galaxy Tab， IPad Mini， iPhone 5， iPhone 6 Plus， iPad 5， IPad 2， Galaxy Note 4， Galaxy S3 i9300， The New IPadColor: Black， BlueFeatures: KeyboardsMaterial: Plastic， ABS， SiliconeBluetooth version: Bluetooth V3.0Wireless distance: Up to 10mPackage weight: 0.164 kgProduct size (L x W x H): 25 x 8.5 x 1.3 cm / 9.83 x 3.34 x 0.51 inchesPackage size (L x W x H): 11.5 x 8.5 x 8.5 cm / 4.52 x 3.34 x 3.34 inchesPackage Contents: 1 x Wireless Bluetooth Keyboard，1 x English Manual， 1 x Retractable USB Cable