Feature:1. Widened: Widened and enlarged, it has more keys and wider keys than ordinary 7 inch keyboards, and can have a better user experience, all aluminum alloy back cover.2. Antiskid Panel: The brushed metal texture keyboard panel is nonslip, giving a high end feeling and exquisite workmanship.3. Waterproof and Dustproof: Light weight, quiet keys, waterproof, dustproof, scissor keyboard, fast typing, good feel.4. TPU Silicone Soft Shell: TPU silicone soft shell, built in unseen pen slot, you can put your pen, good anti drop effect.5. Scope of Application: Portable and ultra thin, it is very convenient for you to carry it for travel or business trips, and can be used with smartphones, tablets, laptops, desktop computers.Specification:Item Type: Wireless BluetoothKeyboardMaterial: ABS, TPU, SiliconeKeyboard:Bluetooth 3.0: Standard MICR interfaceWithin 10 Meters: Effective Operation PossibleModulation Method: GFSKWorking Voltage: 1.8-3.6VWorking Current: <2.0mAStandby Current: 0.3-0.5mASleep Current: <40UACharging Current: 200mAStandby Time: >30 daysCharging Time: <2 hoursBuilt in Lithium Battery Capacity: 110mAhContinuous Working Time 44 HoursButton Force: 8010gKey Life: 5 Million ClicksWorking Temperature: -10 to 55Protective Case: for Lenovo Xiaoxin P11, for Lenovo TB J606F.Package List:1 x Keyboard1 x Leather Case1 x USB Cable