SODIAL(R) Black Bluetooth Wireless Keyboard For Apple New iPad 1 2 3 4, iPad Mini Mac PC Bluetooth Version: Bluetooth V3.0,Frequency: 2.4GHz Working Current: 10mA,Standby Current: 0.5-0.6mA,Shutdown Static Current: 0mA Low Voltage Electrical Testing: 3.3V,Shutdown Voltage: 3.1V Power By 2pcs AAA battery (Not included),Working range: 10M Keyboard Weight: 261g,Keyboard Size: 285mm*120mm*18mm