Description: Compatible with 3 major operating systems: iOS / Windows/ Android. Supports most bluetooth-enabled smartphones and tablets. This ultra slim folding mini keyboard is pocket-sized and lightweight, easy to carry, perfect for travel or business trip, etc. Could easily paired and connect both your wireless device and your PC with the keyboard simultaneously and switch between them with ease. The low-profile whisper-quiet keys bring a whole new level of natural to your fingertips, offer you a silent and comfortable typing experience. The built-in large capacity lithium battery allows you to work continuously for 40 hours or standby for 30 days, enough for the entire short-term business trip. Specification: Material: ABS + Aluminum Alloy Unfolding Size: 313x85x8mm / 12.32x3.35x0.32inch Folding Size: 157x85x16mm / 6.18x3.35x0.63inch Version: 3.0 Standby Time: 30 days Charge Time: 2 hours Battery: 180mAh Package Includes: 1 Piece Keyboard 1 Piece Charging Cable 1 Piece User Manual