308 35 Keys Numeric Keypad Rechargeable Wireless Thin Keyboard Compatible with 5.0(Black )

Aluminum alloy 35‑key wireless ‑thin external numeric keypad, compatible with 5.0. Dual system settings, support for dows8Celsius8.1Celsius10 and for OS system, asynchronous link design, does not interfere with computer operating. For OS mode, you can set for .F19 keys to any shortcuts recognized by the system. Item Type: Numeric Keypad Material: Aluminum Alloy Compatible with Version: Compatible with 5.0 Working Distance: 8-10 Meters Battery Capacity: 300mAh Charging Voltage: 5V Working Voltage: 3.7V Working Current: 1.3mA Continuous Working Time: 100 hours Sleep Mode: 30 Minutes Keyboard No Input, The Keyboard Enters The Sleep Standby State Standby Current: 50uA Standby Time: 180 days of continuous standby Note: The use of multimedia buttons, the symbols at the top indicate the function of these buttons for  mode, the symbols at the bottom (for  .F19) indicate their functions for mode.