Portable Bluetooth-compatible 3.0 Folding Keyboard Wireless Keypad For IOS Android Windows Specifications: -- Keyboard lifespan: 3 million -- Bluetooth-compatible version: 3.0 -- Interface and connector type: Bluetooth -- Power type: lithium-ion battery -- Lithium-ion battery capacity: 90mAh -- Working voltage: 3.7V -- Standby current: 0.25mA -- Use key the working current: less than 3mA -- Use touchpad the working current: less than 8.63mA -- Working distance: less than 15m -- Response speed: no -- Button material: ABS -- Anti-ghosting number: no -- Keyboard layout: 67 keys -- 3 Major System:Android,Window,IOS -- Combined size: 150x58x10mm -- Expanded size: 286x89x5mm Highlights Classical Leather Case - Adapt high end lichee case with soft hand feeling textured.Not just plastic,and with temperature. Scissor Structure Chocolate Key Design - Comfort and save effort,make typing an pleasure thing. Folding and Portable - Foldable design ,turn it into half size,convinient to bring along with you in business travel and trip. USB Rechargeable - Build in lithium battery,one charge 2 hours and can standby 524 hours Open to Turn On,Close to Turn Off - Save a step to turn on and off each time you use ,and avoid risk of power run off when you forget to turn off it Package includes: 1 x Wireless Folding Keyboard 1 x Charging Cable