Specifications: Color: black, gray Main material: ABS plastic Number of keys: 67 keys Interface standard: Bluetooth 3.0 Working voltage: 3.0~4.2V Button life times: 3 million clicks Effective use distance: 10 meters Folded Size: Approx. 150*85*18MM/5.91*3.35*0.71inch Expanded Size: Approx. 315*85*10MM/12.4*3.35*0.39inch Weight: 0.136 kg Applicable occasions: Self use, gifts to friends, give gifts, give promotions gift to commercial activities, be prizes, employee benefits, etc. System Support: Support for iOS, for Android, for Windows, for smartphones and lighter tablets Package List: 1* Keyboard 1* User manual 1* Charging cable
