Detachable Bluetooth Keyboard: This protective set includes a PU leather case, and a wireless Bluetooth keyboard. Ultra-thin and portable, which is very suitable for traveling and business trips ABS Keyboard Keys: The keyboard keys are made of ABS material, which are smooth and elastic, stylish, elegant, more beautiful and more durable Stand Function: The stand leather case makes it much more comfortable for typing, watching videos, Internet surfing, and reading while keeping both your hands free & avoids any joint pain Pen Slot: With a pen slot for stylus storage, no need to be afraid of losing your stylus pen (stylus is not included) Quality Material: High-quality material combined with excellent workmanship. Fully protects your device against shock, abrasion, scratch, fingerprint, dirt, etc. Specifications: Keyboard material: PU leather + ABS plastic Bluetooth chip: Bluetooth 3.0 Connection distance: 10m Keyboard sorting: American English Battery capacity: 150mAh Standby time: 80 days Continuous working time: 60H Charging time: 1.5-2H Key life: 5 million