Feature: 1. [Hot Swappable] Bluetooth mechanical keyboard, full keys with hot swappable axes, compatible with most of the three legged mechanical axes on the market. 2. [Comfortable And Sensitive] Wireless mechanical keyboard with linear axes, straight up and down, less sound, less pressure, easy to operate, fast triggering speed. 3. [Low Noise] High accuracy tuning, making the keys feel more stable, better enhance the sense of tapping and effectively reduce the noise. 4. [19 Key Conflict Free] 2.4G keyboard supports 19 keys without conflict, accurate signal processing, whether it is a game or work, the input will not conflict. 5. [Low Latency] Mechanical keyboard can realize quick response and reduce latency under wireless connection, and multiple connection methods make the use of a wider range of scenarios. Specification: Item Type: BT Mechanical Keyboard Material: ABS Transmission Method: 2.4G Wireless Plus 5.0BT Keyboard Battery Specifications: 2 x AAA Battery (Not Included) Matrix: 19 Key No Conflicts Support System: For Windows Vista 7 8 10 11, for Android. Package List: 1 x BT Mechanical Keyboard1 x Instruction Manual7 x Keycaps2 x Key Shaft1 x Receiver2 x Shaft Puller