... strain. 5. bluetooth 3.0. 650mah rechargeable Lithium battery. Description1.Ultral-thin, laptop style hard keyboard, Multifunctional and 700mah rechargeable lithium battery. the ultra thin style ... High sensitivity supports communications, class 2 Wireless connection via a Bluetooth device Support IPad, Iphone 3G, 3GS, Iphone 4,4S, MAC 3.0, Andriod ...