Bluetooth Version: 4.0
Compatibility: iOS 7.0 or later, Android 4.3 or later
Range: Up to 75 feet
Battery: Replaceable CR2032 lithium coin battery (NOT INCLUDED)
Battery Life: 5-7 days
Weight: 115g
Size: 2.0" (5.2 cm) x 1.6" (3.2 cm) x 0.4" (1.1 cm) D