1.Silicon Bluetooth Keyboard with case for Samsung 8.9" 2.Bluetooth 3.0 3.FCC /CE/ ROHS /BQB Excutive Standard: Bluetooth 3.0working distance: 10 metersmodulation system: FHSS 2.4Gtransmitting power: Class 2operating voltage: 3.0-4.2Vworking current: <3.0MAstandby current: <90UAsleeping current: <6μAcharging current: >200MAstandby time: 90 daysuninterrupted working time: 30 hourscharging time: 4-4.5hoursbattery capacity: 180MAHbattery life: 3 yearsbattery specification: 40*17*45mmkey strength: 80±10gkey life: 5 millionoperating temperature: -10~ +55 °Cstorage temperature: -40~ +70°Chumidity : 20%-50%FCC /CE/ ROHS /BQBCompetitive price with good quanlity

Bluetooth Keyboard For Samsung 8.9" SUN-HT-P2089