Detachable Bluetooth KeyboardThis protective set includes a PU leatherTPU case, and a wireless Bluetooth keyboard. Ultra-thin and portable, which is very suitable for traveling and business trips With StandThe stand case makes it much more comfortable for typing, watching videos, Internet surfing, and reading while keeping both your hands free amp avoids any joint pain Pen HolderWith a pen holder loop for stylus storage, no need to be afraid of losing your stylus pen stylus is not included Fully ProtectionHigh-quality material combined with excellent workmanship. Fully protects your device against shock, abrasion, scratch, fingerprint, dirt, etc. Specifications Product number AH18 Weight 756g Product size 29.5 x 21.2 x 2cm Bluetooth version 3.0 Effective operating distance 10 meters Modulation mode GFSK Working voltage 3.0-4.2V Working current 2.5mA Standby current 0.3mA Sleep current 40uA Charging current 200mA Standby time 100 days Charging time 3-4 hours Lithium battery capacity 200mAh Sustainable working time 100 hours Lithium battery life 3 years Key force 80plusmn10g Key life 5 million clicks Working temperature -10 to 55 Charging port Type-Cnbsp