Compatible with any devices with these operating systems: iOS4+, Android 4.0+, Mac OS X 10+, Windows XP+, Blackberry 10 devices.
Bluetooth V3.0, HID Profile Ver 1.0
Built-in Lithium-ion Polymer Batt.ery, Capacity: 660 mAH @ 3.7V
Works on all flat, opaque surface.
Adjustable brig.htness, sensitivity and sound feedback.

Technical Details

Size (LWH): 4.8 inches, 2.8 inches, 2.2 inches
Product Details
 Product Dimensions: 4.8 x 2.8 x 2.2 inches
 Shipping Weight: 0.45 pounds (View shipping rates and policies)
 ASIN : B00DCGV4Y0