This is a wireless 5.0 Bluetooth-compatible keyboard, with an effective distance of up to 10 meters The crystal keyboard is designed with aluminum alloy and has a stylish appearance Adopting exquisite workmanship, and combined with round keycaps This Bluetooth-compatible keyboard is compatible with Android, IOS, and Microsoft systems Built-in rechargeable 350mAh lithium battery, long service life Designed with colorful backlit. Suitable for study, office work, and traveling job The frosted translucent texture does not yellow and does not stain fingerprints Can connect three Bluetooth-compatible devices at the same time Specifications: Material: aluminum alloy + ABS Bluetooth-compatible: 5.0 Effective link distance: 10m Battery capacity: 350mAh Charging time: 2-3hours Use time: 80 hours Standby time: 45 days Applicable models: Android, IOS, Microsoft system, smartphone, tablet, computer Package included: 1 x Bluetooth-compatible Keyboard 1 x Charging Cable 1 x English Manual