?This is a wireless 5.1 Bluetooth keyboard, an effective distance of up to 10 meters ?The ultra-thin keyboard is designed with aluminum alloy and has a stylish appearance ?Micro USB universal charging interface, charging is more convenient ?This Bluetooth keyboard is compatible with iPhone ?Built-in rechargeable lithium battery, long service life ?Lightweight, low-key sound, and dustproof. Suitable for study, office work, and traveling job Adopting exquisite workmanship, and combined with round keycaps ?Bluetooth keyboard + leather tablet protective case, detachable 2-in-1 design ?With touchpad design, convenient and practical to use Specifications: ?Bluetooth: Standard 5.1 ?Effective distance: 10 meters ?Standby time: 100 days ?Continuous working time: 93 hours ?Charging time: 2 hours ?Lithium battery capacity: 280mAh ?Lithium battery life: 3 years ?Button life: 3 million times Package included: ?1 x Leather Case ?1 x Bluetooth Keyboard ?1 x Charging Cable ?1 x English User Manual