E221 2.4GHz Wireless Mini Keyboard Portable Waterproof with Touchpad Multimedia Conference Handheld Multifunctional Keyboard for Laptop Computer Smart TV Box - Black White light

Description:
2.4G wireless mini keyboard with touchpad and USB interface. It is not an ordinary wireless keyboard, but a keyboard with multimedia function keys and game control keys.
It also has a built-in smart touchpad that can switch between horizontal and vertical directions.
It also has an energy indicator.
The upper and lower case switch key, RF code key, and backlight, can be used freely in dark places.

Main Features:
Multifunction (3 in 1): wireless keyboard + touchpad + mouse, compact and exquisite.
2.4G radio frequency wireless connection, the longest working distance is 10m.
Ultra-sensitive touchpad with 90-degree flip design.
Built-in rechargeable lithium ion polymer battery.
USB receiver, no driver required, plug and play.
Standby function and automatically wake up the keyboard.
Ergonomic design, compact and lightweight.
It can be used for PC, laptop, projector, smart TV, HTPC, Android TV BOX, etc.

Required configuration:
For Windows 2000
For Windows XP
For Windows Vista, Windows CE, Windows 7, Windows 8
For Linux (Tested on Debian-3.1, Redhat-9.0, Ubuntu-8.10, Fedora-7.0)
For Android OS (with standard USB interface)

Specifications:
Radio frequency mode: 2.4 GHz
Working distance: up to 10 meters
Built-in battery capacity: 450mAh
Charging voltage: 4.2V~5.05V
Charging current: less than 350mA
Sleep current: less than 1mA
Charging time: about 4 hours
Working temperature: -10~+55℃
Battery type: lithium ion polymer battery
Standby time: 500~700 hours
Transmit power: maximum + 4dBM