Features:

• Built-in slimmest wireless Bluetooth 3.0 keyboard.
• Built-in Rechargeable lithium battery lasts for approximately 100hours per charge.
• Energy saving keyboard sleep mode
• Ultra-thin Bluetooth Keyboard
• Sleek,compact design for maximum portability and convenience.
• Provides quicker and more comfortable typing and improves the accurancy of the operation.
• Easy to remove from the PU leather case.
• USB charging cable included.

Specification:

• Bluetooth version:3.0
• Distance of use: 10M
• Operating frequency: 2.4 GHz.
• Operating voltage: 3.0-4.2V
• Operating Current: <2.5mA
• Standby Current: <0.3mA 
• Charging Current:>200mA
• Charging Time : 4-5 hours
• Key life: 500 million times
• working time:100 hours
• Standby time: >100 days
• Battery capcity:200 mAh
• Working temprature:-10-+55
• Key life:2-3 years