This is a wireless Bluetooth 5.0 keyboard, with an effective distance of up to meters The ultra-thin keyboard is designed with aluminum alloy and has a stylish appearance Adopting exquisite workmanship, and combined with square keycaps Type-C universal charging interface, charging is more convenient Built-in rechargeable lithium battery, long service life Lightweight, low-key sound, and dustproof. Suitable for study, office work, and traveling job Specifications: Conductive film: dustproof and waterproof PCBA board: with temperature control, high temperature, and high voltage protection Bluetooth program: 5.0 Silicone pellet: 2 million times press life Keycaps: Wear-resistant UV process Battery capacity: 420mAh (backlight) Operating time: 3h (backlight) Standby time: 90 days Charging time: 2h Product Size: 247.5x150x6.5mm Net Weight: 185g