Lightweight and portable - Foldable design makes the keyboard stylish and practical - Built-in rechargeable lithium battery and small power consumption - Automatic sleep function makes it possible to fully utilize the power - Equipped with full standard-size keys, you can fast adapt to this new keyboard for fluent and comfortable typing experience Specifications: - Weight: 0.25kg - Working Voltage: 7V - Standby Current: < 0.25mA - Key Working Current: < 3mA - Material: ABS Plastic & Metal - Open Size: Approximately 30.5 x 9.8 x 0.8cm - Folding Size: Approximately 1.3 x 9.8 x 5cm