-- Embedded full standard-size keys with U-shaped frosting surface and 166-degree angle design, this scissor-switch designed keyboard gives smooth user-friendly typing experience. -- Adopts imported Broadcom Bluetooth chip, it ensures much faster connection, fluent typing operation and lower power consumption. -- Greatly compatible with iOS / Android / Windows operating system. Impeccably works with all Bluetooth supported devices, even laptops and computers. -- Built-in rechargeable battery supports 40-hour continuous working / standby 30 days. Keyboard housed with soft PU leather case, anti-skid, anti-fingerprints and scratch-resistant. -- 12mm slim body and 6.2oz weight, you can fold it into small size, portable to anywhere to enjoy wireless technology lifestyle