Naztech N1500 Wireless Bluetooth Folding Keyboard - White Quiet Scissor-Switch Keys, Rechargeable Li-ion Battery Rubberized Non-slip Grip, Folds in Half, Magnetic Closure Included Built-in Stand, Bluetooth & Battery LED Indicators, Caps Lock Indicator Bluetooth Version: 3.0, Battery Type: Lithium Polymer, Working Distance: 10m (32 ft.), Charging Time: Up to 2-3 Hours Charging Current: 100mA, Continual Working Time: 20hrs (22 days Standby), Battery Capacity: 200mA