1089A for Microsoft Surface Pro 3/4/5/6/7 Laptop Magnetic Adsorption Bluetooth Wireless Keyboard with Touchpad • Surface Pro keyboard enhances the fixed connection with Surface Pro, providing a high-performance laptop experience • One of the most portable mechanical keyboards, Surface Pro keyboard offers the speed and functionality of a notebook computer keyboard, easy to use • Features QWERTY layout with full function row (F1-F12), Windows shortcuts, and media control keys for easy navigation • Large touchpad allows smooth cursor control with finger gestures • Keyboard cover folds back for a tablet-like experience Specifications: • Effective operating distance: 10 meters • Modulation method: GFSK • Working voltage: 3.0-4.2V • Working current: less than 2.5mA • Standby current: less than 0.3mA • Sleep current: less than 40uA • Charging current: greater than 200mA • Standby time: more than 100 days • Charging time: 2-3 hours • Lithium battery capacity: 350mAh • Sustainable working hours: 35-100 hours • Lithium battery life: 3 years • Button force: 80 ±10g • Button life: 5 million clicks • Working temperature: -10 to +55℃ Package included: • 1 x Keyboard • 1 x Charging Cable • 1 x English User Manual