B099 Tablets Laptops 3-Mode Wireless Bluetooth Keyboard Rechargeable Folding Silent Keyboard 1.Exquisite body design, fashionable and high-grade 2.The bottom of the keyboard is covered with leather, comfortable hand feeling 3.Independent digital key area, complete function 4.Multi-channel design, one key to switch freely 5.Compatible with multi-systems, support multi-device connection Specifications: 1.Model: B099 2.Product name: tri-fold full-size folding keyboard 3.Unfolded size: 342 x 116 x 10.95mm 4.Folded size: 181.5 x 116 x 19mm 5.Material process: ABS + PU 6.Connection mode: Bluetooth 7.Battery: 180mAh lithium battery 8.Charging interface: Type-C 9.Number of keycaps: 100 keys 10.Key structure: scissor foot 11.System support: WinAndroidIOSOSHMS 12.Keyboard bare weight: 255g 13.Standbysleep current: 0.8ma20μA 14.Use life: 60h 15.Operating voltagecurrent: 3.0~4.2V3mA 16.Standby time: 120 days