Rii K09BT Dual-Model Bluetooth And RF Keyboard

special function:
Bluetooth 4.0 Ble;

A district button, QWERTY 78 button;
Ultra-thin key core;
Sany-color mixed backlight;
Support Apple system shortcut button;
Built-in rechargeable lithium battery;
The system is compatible with Win8, Win10, Android, Mac ETC.
Battery BL- 5B
Parameter details:
CONNECT Port: USB2.0 or Above;
Processor (MCU): TLSR8267F512ET48;
Transmit Mode: Bluetooth + (RF) 2.4GHz Wireless Technology;
Transmit Power: Less Than + 0dB;
Power Supply: 420mAh 2.59WH;
Working Current: <48ma;
Sleeping Current Class1: 10ua;
Workiing Time: (Back Linht on) 9Hours, (Back Linght Off) 70HOURS; </48ma;