Specifications: Color: White (for case); silver (for keyboard) Material: Aluminium alloy (for keyboard case); plastic (for case) Size: 84 * 293mm (unfold size), 145 * 19 * 84mm (fold size) Type: keyboard Interface: Standard MICRO interface Effective operating range: 10 meters / 30 feet (Open space) Modulation method: GFSK Working voltage: 3.0-4.2V Working current: <2.5ma Sleep current: <40µa Charge current: 200mA Standby time: 100 days Charging duration: <2 hours Lithium battery capacity: 110mA Sustainable working hours: 40 hours Lithium battery specifications: 30 * 23 * 23mm Key force: 60 ± 10g Package weight: 315g Applicable system: For iOS / / system Package List: 1 x Magnetic Folding Keyboard 1 x Protective Case 1 x Micro USB Cable 1 x User ManualLong Time Battery Life: Built-in rechargeable lithium battery with 110mAh capacity of the folding keyboard lasts for 100 days for standby, and up to 40 hours for play time. Ergonomic & Full Size Keyset Designed: Comfortable typing, the key locations are the same as most of the laptop, little learning curve to adjust fingers to this mini-keyboard. Connection: Built-in advanced module with an operating range up to 30ft (Open Space), enables a stable connection with no delay, consuming less power. Pocket size with protective case as a stand for tablets and phones: Compact size and lightweight, this foldable keyboard also includes a protective case that doubles as a desk stand for your tablet or phone, perfect for carried and packed. Compatible with 3 Major Operating Systems: iOS / / , this folding keyboard was designed to work for iPad/ , , tablets, PC and Phone.