Specifications: Product type: Bluetooth Touchpad Keyboard with Case Material: Aluminium alloy + PCB Charging mode: Micro USB charging Color: Black Bluetooth distance: 10m Bluetooth: Bluetooth 3.0 Battery capacity: 120mAh Charging current: 100mA Working voltage: 3.0 to 5.0V Working current: <2.0mA Standby current: 0.3 to 0.5nA Sleep current: <25?A Touchpad: Support Work time: 40 hours Charging time: 4 hours Standby time: 60 days Keyboard service life: 5 million clicks Suitable: For Android/iOS/Windows systems Package size: approx. 23 * 16 * 2 cm/ 9.1 * 6.3 * 0.8 in Package weight: 184g/ 6.5oz Package List: 1 * Bluetooth Touchpad Keyboard 1 * User Manual