B033 Portable Tri-fold Bluetooth Keyboard Universal Laptop Tablet Phone Wireless Keyboard with Touchpad - White ?Large keycap design,more comfortable typing experience,reduces the probability of mistyping ?Tri-fold design,small size,easy to carry ?The large-size touchpad is convenient to use ?Built-in large-capacity rechargeable lithium battery,which can be recharged and used for long standby time ?Compatible with multiple systems,for Mac,for Android,for Microsoft ?Multi-device compatibility,supports mobile phones,tablets,notebooks,desktop PCs,and other devices (devices need to have Bluetooth function) ?Specification: ?Folded size: 152*97.95*18mm ?Unfolded size: 304.5*97.95*8mm ?Net weight: 0.199kg ?Touchpad size: 54.8*44.8mm ?Connection: Bluetooth 3.0 ?Battery: Built-in rechargeable lithium battery ?Battery capacity: 140mAh ?Charging time: less than 2 hours ?Standby time: 560 hours Package included: ?1 x Bluetooth Keyboard ?1 x Charging Cable ?1 x English User Manual