1Premium Material: Made with acrylic ABS and metal material, this keyboard is durable, lightweight, and provides a sleek and modern look. 2Ergonomic Design: The design of this keyboard aims to provide comfort and reduce strain on your wrists, as it features an ergonomic layout. 3Wireless Bluetooth Connectivity: This keyboard uses Bluetooth technology to connect wirelessly with various types of devices, providing flexibility and convenience. 4Long Battery Life: This keyboard is equipped with a long lasting battery that can provide up to several weeks of use on a single charge, offering reliable performance without the need for frequent recharging. 5Wide Compatibility: The wireless typewriter keyboard is compatible with multiple systems and devices, smartphones, tablets, laptops can be connected at the same time, compatible with for Windows, for Android or for iOS. Specification Item Type: Bluetooth KeyboardBT Version: 5.2Transmission Distance: 10mModulation Mode: GFSKWorking Voltage: 3.0-4.2VOperating Current: <8mAStandby Current: <0.3mASleep Current: <40ACharging Current: 200mAStandby Time: >100 daysCharging Time: 2-3 hoursBuilt in Polymer Lithium Battery Capacity: 500mAhSustainable working time: 100 hours (without backlight) / 30 hours (backlight)Key Force: 8010gKey Life: 3 million clicksOperating Temperature: -10~+55 degreesSystem Support:For Android, for Windows, for iOS Package List 1 x Bluetooth Keyboard1 x Instruction Manual1 x Charging Cable