1.Dimension: 260mm*240mm*30mm
2.Keys No.: 84 Keys (US Version)
3.Weight: 240±30 g
4.Key Pitch: 19.0 mm
5.Bluetooth   6. support Ipad2
7. 3.7V LI-batteries, Working Voltage: 3.7V to 4.2 V, Current Consumption: 2.3—5mA (MAX)