Compatible with UniversalType Folding KeyboardKey number 69 (key)Interface BluetoothKey technology X ArchitectureSupport ErgonomicsMaterial ABSProduct Size 91 * 129 * 20mmWeight 227g (KG)Color Ivory BlackOccasions for gifts Advertising and promotion， business gifts， holiday， housewarming， birthday， wedding， awards Memorial， fairs， anniversary celebration， opening ceremony， employee benefits， public relations planningProduct description: 1.X Scissor structure， key sensitive， fast typing reaction， feel good 2. The keyboard surface spray rubber oil， dirt， wear， 3. Silk screen UV peritoneal treatment， never fade 4. Bottom aluminum oxide processing， rugged wear 5. Support Windows， Android， IOS phone tablet PC computer 6. Four small compact folded body， can be placed after folding pocket can hold dust 7. Certification: CE / ROHS / BQB / appearance patent Product parameters: Bluetooth: Bluetooth 3.0 Broadcom scheme Key number: 69 Operating Frequency: 2.402-2.480GHz life: 2，000，000 Channel: 79 Net weight: 220g， Gross Weight: 365g Modulation Mode: FHSS Folded Size: 130 * 91 * 24 mm Effective distance: <10 meters Expand Size: 350 * 130 * 6mm Battery: Built-in 420 mA lithium keycaps Size: 18 * 18 mm Operating voltage: 3.0-4.2V Material: ABS plastic + aluminum Operating Current: <2.6mA Standby time: <60 days Standby current: <0.3mA Working Hours: 8 hours per day， you can use 30 days