Features: 1.Large Keys: This 11.5 inch wireless keyboard with larger keys than 7 inch keyboard, easy to type and operate. 2.Leather Cover: Comes with a TPU silicone cover, which is perfect accessory for this portable keyboard for Pad Pro 5. 3.Quiet Typing: This wireless keyboard adopts well spaced and scissor type keys that provide comfortable and quiet typing experience. 4.Ultrathin Size: This mini wireless keyboard features portable and ultrathin size, and it works well with smart phone, tablet, laptop and desktop. 5.Long Battery Life: This 10 inch keyboard adopts 100mAh battery and supports 44 hours continuous working for a charge. specification:Item Type: Mini Wireless Keyboard Material: ABS, TPU, Silicone BT 3.0: Standard MICR Interface Within 10 Meters: Effective Operation Can Be Realized Modulation Mode: GFSK Operating Voltage: 1.8 to 3.6V Operating Current: