Three-fold wireless computer keyboard $ 21.14 Type: Bluetooth keyboard Number of keys: 64 (keys) Interface: Bluetooth Whether to support plug and play: support Connection with computer: Bluetooth Waterproof function: does not support waterproof Key technology: X architecture material: metal Product size: 16.1 cm * 9.1 cm * 1.23 cm Battery capacity: 140mAh Continuous working hours:> 40H Button life: 5 million times
