Factory Wholesale 22 Bluetooth key /2.4G Numeric keypad universal for laptops and desktop computers hot

22-key Bluetooth numeric keypad, universal for laptops, tablets, and mobile phones, wireless numeric keypad, direct from the manufacturer Broadcom imported from the United States Bluetooth 3.0 chip, no need to pair passwords, multi-system compatible, scissor-foot structure design, comfortable to the touch Product model              BT304MaterialABS plasticSupport systemANDROID, WIN, IOSNumber of keys22 keysSupports wireless/BluetoothBroadcom, USA 20730Keyboard lifespan (number of keystrokes)5.0million timesResponse speed5 millisecondsWireless/Bluetooth Transmission Distance10mOperating Current/Voltage0.25 milliampere 3VBuilt-in BatteryNoBattery type & capacity2*AAA (not included)Charging TimeNoneTime of use80 hoursNet Weight86 gramsPacking Weight115 gramsProduct Size123X85X22MMPacking Size140X95X26MMConsult or purchase products in the store, such as unknown or questions, please contact the store customer service Ur tsustomer service vil answer and serve iu in time, thank iu for tsoming to ur store