Specification: Chipset: Broadcom 2042 Chipset systems supported: -support Smart Mobile System: 1.Nokia Symbian S60 and above 2.Android 1.6 and above 3.Windows mobile 6.0 and above - Support all PC and Mac operating systems - Support Sony PS3 - Support Ipad * 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 Li-on battery * Power : Charges by USB