IOS / Windows / Android Compatibility: Compatible with 3 major operating system: iOS / Windows/ Android. Supports most bluetooth-enabled devices, Pocket Size / Lightweight: When folded, perfect for travel or business trips. [iOS, Windows & Android Compatibility]: QWERTY layout with hot keys, Compatible with iOS/Mac OS, Android, Windows and most BT-enabled devices. Operating range of 10 meters. Package Includes: Folding Wireless BT Keyboard, USB Charging Cable, User Manual, Portable Foldable Adjustable Cell Phone Stand. Made with aircraft-grade aluminum for superior durability.Anodized matte process creates excellent sense of touch. Technical Specifications: No of Keys: 69; Working Distance: 10 Meters; Battery: Built-in Lithium Battery; Working Voltage: 2.0V-3.0V; Working Current: <5.0mA; Working Time: 30 Days, 8 hours/day; Standby Time:<60 days; Material: ABS+ Aluminum Alloy; Product Weight: 225g/0.49lbs; Foldable Size:110*130*12mm/ 4.33"*5.12"*0.47"; Flat Size: 293*84.4*6.7mm/11.54"*3.32"*0.26"; Keycap Size: 19*19 mm; Modulation System:GFSK; Life Span: 5 Million.