Bluetooth Keyboard Aluminum Case With Stand Buil-In Lithium Rechargeable battery Color: Black 1 year guararantee Bluetooth Keyboard With Aluminum Case *Chipset: Broadcom 2042 Chipset* Frequency band: 2.4 - 2.4835 GHz unlicensed ISM band* Receiving sensitivity: -75bdm (standard)* RF output power: 4dbm maximum* Operating distance: 0 - 10 m* Bluetooth Version: 2.0* Battery : Built-in Rechangeable 510mAh Li- battery* Power : Charges by USB*Aircraft-grade aluminum with a bead-blasted*Military grade high-density padding for superior drop protection *Stylish, thin and lightweight. Half as thin as most folios for the iPad *Embedded wireless Bluetooth physical keyboard *Special function keys for music control, volume control, slideshow, home, search, etc.

Bluetooth Keyboard With Aluminum Case