1、Comfortable button, good sense of use, good elasticity and long service life. 2、The keyboard has a flip type protective case design. Put the tablet into the protective cover and connect to Bluetooth, it will transform into a small “laptop computer”, protecting the machine in all aspects. 3、Adopts for Broadcom Bluetooth 0 version, with stable connection and strong signal. 4、With intelligent sleep function, simple and practical, energy saving. 5、Crafted with high-quality ABS plastic materials, it is comfortable and light, simple and practical. Features: Comfortable button, good sense of use, good elasticity and long service life. The keyboard has a flip type protective case design. Put the tablet into the protective cover and  connect to Bluetooth, it will transform into a small "laptop computer", protecting the machine in all aspects. Adopts for Broadcom Bluetooth 3.0 version, with stable connection and strong signal. With intelligent sleep function, simple and practical, energy saving. Crafted with high-quality ABS plastic materials, it is comfortable and light, simple and practical. Specification: Main Material: ABS plastic Number of Keys: 59 keys Bluetooth Chip and Version: For Broadcom chip Bluetooth 3.0 Power Supply: Built-in 90 mA rechargeable lithium polymer battery Working Voltage: 3.0~ 5.0V Button Life Times: 50 million Effective Use Distance: 10 meters English Manual: Yes Keyboard Size: Approx. 20.5x 14.7x 1.4cm / 8.1x 5.8x 0.6inch Net weight of individual products: Approx. 0.28kg Suitable for iPad mini4 tablets Package Size: Approx. 24.7x16x3cm / 9.7x 6.3x 1.2inch Package List: 1 x Instruction Manual 1 x Keyboard with Protective Case 1 x Charging Cable