Product parameters:Mouse Specifications:Color: BlackMaterial: ABSTracking system: Optical Voltage rating / electric current: DC 5V / 100mA Connection: WiredCable length: Approx. 150cmPort: USB 2.0 DPI: 1200/1600/2400/3200dpi.Mouse Switch Life: 10 million cycleButtons: Left, Right, Scroll Wheel, DPI +DPI -, Advance, RetreatLight effect: colorful Mouse Support System: Windows 7/8/10/2000/XP/Vista Mac OS or latestKeyboard Specifications:Material: ABSBluetooth version: Bluetooth version 4.2Keyboard Switch Life: 50 million cycleNumber of buttons: 35keysMouse net weight 131gMouse size: 12.7X7x4cmLine length 150cmKeyboard weight 274.5 gKeyboard size 25.5X17X3cmTotal package weight 577gTotal package size: 28.2X28.2X5.9cmProduct packaging:Bluetooth 4.2 one-handed keyboard*1Wired mouse*1User manual*1Mobile phone holder*1Keyboard Shortcut key functionF1:Call-out Preset/F2: Display preset/ESC: Muzzle-controlling OFFF3 ON/OFF Muzzle-controlling interface/F4 First Gun Muzzle controlling strength adjustment buttonF5 Second Gun Muzzle-controlling strength adjustment buttonF6 Muzzle-controlling strength buttonF7 Mouse middle button--call-out cursorQ--Left probe/E--Right probe / R-Replace bullet T-MapF-Open the door to rescue / G-Pickup /Z-Get downX- Ride/C-Squat down / V-Running automaticallyB-shift auto continuous firing bullets and single bullet1-Weapon columnl / 2--Weapon column 23--Take pills / 4--Melee throw5--Open atachment items / 6--Open the boxTab-Bag Shift-Drive car Ctrl - Get off the car Alt-Free view / Space-Jump3. If some buttons without function after entered the games,it is caused by the key dislocation, and can be adjusted through the APPdriver. Apple devices can access the APP interface, and then press F1 to click preset cloud synchronization in the pop-up box options toadjust. The APP drivers of Apple device must search 'Shooting plus' in the Apple store (IOS App Store) to download and install it. Overseas Android users can search 'Shooting plus' on the regular Google play store to download and install. Domestic Android users can scan the below driver "1 to 3QR code to download and install.4.This product driver is only available for Chinese and English version. Downloading the driver in the APP Store will automatically match the language version of the device you are using for installation. The APP driver is used not only to adjust the button, but also to upgrade online. If the devices are works properly, it will be better not to upgrade, upgrading will take up the chip running memory. Upgrade method: You can find the upgrading tips or firmware upgrade reminder on upperright corner of the APP interface (a small red dot display), that means it has a newversion of the program, you can click 'Update APP' to upgrade.And then click the firmware upgrade, you need to disconnect the Bluetooth connection after entering the firmware upgrade interface, but do not close the cellphone Bluetooth and click next, and then click the device program which searched in the device list to upgrade, a percentage of progress will be shown during the upgrading process, it can not be interrupted in the middle of upgrading , otherwise it will cause hang-up and lead to the converter can not be used. (it needs to be upgraded with reset key after hanging up)5.Currently, the product is not fully compatible with (MTK) Android devices (i.e, CPU isa MTK chip cellphone). The fllowing are some examples of MTK cllphones: Meizu Pro 6, OPPO R9, R15, Le