Bluetooth:- type: bluetooth 3.0 interface standard- operating distance: 10 metersmodulation system: gfskbattery:- built-in lithium battery- lithium battery capacity: 450ma- battery life: 3 years- battery dimensions: 47mm x 25mm x 4.5mmoperating voltage: 3.0v ~ 5.0vcurrent:- working: standby:- current: 2.5ma- time: 60 dayscharging time: 4 ~ 5 hoursuninterrupted working time: 40 hourskey life: 5 million strokesoperation temperature: -10 celsius degrees ~ 55 celsius degreesdimensions: 265mm x 185mm x 25mmwhat's in the box:1 x bluetooth keyboard1 x USB power charging cable1 x user manual
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