PORTABLE & INNOVATIVE DESIGN - A total dimension of 12.94" x 3.83" x 0.23" when it is opened and can be easily folded into a 6.37" x 3.8" x 0.4" dimensions that will fit into your pocket or bag to carry around with a light weight of only 4.9 ounces and featuring an innovative magnetic switch to turn on and off the keyboard by opening (ON) and closing (OFF) the keyboard LIGHTWEIGHT & ERGONOMIC - Ultra-thin portable folding keyboard with ergonomic V-shaped design that promotes a natural typing angle and scissor-switch technology that offers quiet typing and comfortable typing feeling WIRELESS BLUETOOTH TECHNOLOGY - Maintain a stable connection that work seamlessly with multiple operating systems and no cable hassle with 3.0 Bluetooth wireless technology; CONVENIENT RECHARGEABLE - No cable hassle with 3.0 Bluetooth wireless technology; Built-in rechargeable lithium battery that last 36 hours with continuous typing / standby mode up to 30 days UNIVERSAL COMPAT