B077T Portable Foldable Wireless Bluetooth Keyboard With Touchpad 1. Wireless Keyboard with Touchpad and Numeric Keypad: The foldable keyboard comes with a touchpad and a numeric keypad, and you can switch between the two functions at any time by pressing FN+Spacebar 2. Sync up to 3 devices: Seamlessly switch between 3 devices with BT 5.1 technology. Our foldable Bluetooth keyboard is compatible with WindowsMac OSiOSAndroid devices 3. Pocket size for travel: The portable Bluetooth keyboard adopts a tri-fold design, which is lightweight and slim. The folded size is 5.98*3.86*0.65 inches, which can be easily put in a pocket or backpack 4. Quiet and comfortable typing experience: The sensitive and quiet scissor switch provides you with a typing experience similar to that of a laptop keyboard. The unique leather jacket not only protects the keyboard, but also increases the friction between the portable keyboard and the desktop to prevent the keyboard from moving while typing 5.13 multimedia shortcut keys: The portable keyboard for laptops has a full row of shortcut keys, which are combined with the FN key and the Shift key to improve your productivity. USB-C charging port, built-in large-capacity battery, fully charged in 2 hours, battery life of about 30 days Specifications: 1. Material: ABS + PU 2. Dimensions (Unfolded): 341.98 x 107.75 x 9.45mm 3. Dimensions (Folded): 181.65 x 107.75 x 16.1mm 4.Weight: 240g 5. Touchpad Size: 59.3 x 63.8mm 6. B attery Capacity: 150mAh 7. Working Voltage: 3.7V 8. Working Distance: 10m 9. Keyboard Working Current: less than 4mA 10. Touchpad Working Current: less than 11mA 11. Standby Current: 0.4-1.0mA 12. Sleep Current: 20 microampere 13. Sleep Time: 10 minutes 14. Wake-up Mode: Press key 15. Charger Specification: 5V 1A or 2A 1 6. System Compatibility WindowsAndroidiOSMac OSHMS