iBall Mini Bluekey Wireless Laptop Keyboard(Black)

Features - 2.4GHz Bluetooth Wireless Technology Supports Tablets running Android, Windows & iOS Operating System. Flat key architecture for silent, stable and comfortable typing 78 Keys Multimedia Keyboard Long working distance up to 10 meters Bluetooth Search and Low Battery indication Specifications Power Source - 2 x AAA size Alkaline Batteries Bluetooth Version - ?3.0 Frequency Range - 2.402 ~ 2.480 GHz Modulation System - GFSK Operating Distance - Up to 10 meters Working Time - About 180 Hours Operating Temperature - ?20~50? Weight - Without Battery – 282g & With Battery – 305g Key Life - ?5 million strokes Dimensions - 28.5 (W) x 12 (L) x 1.85 (H) cm Package Content - Keyboard 2 x AAA size Alkaline Batteries User Manual