产品参数和特点: 1.360°rotating *e for iphone 5,it can stay in any angle.comfortable user experience. 2.Special function key for playing game,*oid misoperation during the game. 3.power soft starting function ,makes your battery last longer 4.backlit keyboard for better view in the dark. 5.metal shell with ABS material provide you better protection to iphone5,ultrathin and flat. 6.design for iphone5,bluetooth version 3.0.made out of PC,POM high quality engineering plastics,provide device better quality and longer lifetime. 7.300mA lithium battery,Broadcom BCM20730 bluetooth chip,stand by time 30 days,uninterrupted working time:100 hours,charging time:3-4 hours 8.product dimension:125.5X69.5X16.5mm,unfold dimension:125.5X139X9mm. 9.Bluetooth working distance:10 meter;systemic model:GFSK 2.4G 产品规格; 电池容量:300MAH 待机时间:30天 充电时间:3-4小时 采用BroadcomBluetooth V3.0, Class 2标准(主芯片BCM20730) l 频率范围 2.4GHz-2.4835GHz l 接收灵敏度:-75dbm(标准) *可达 4dbm,超低辐射 l 工作距离0-10M l 主动嗅探省电模式,10分钟内若不进行任何操作,键盘将自动进入省电模式 l 内置300mA锂电池,可通过电脑USB口充电,或者可选配独立开关电源适配器充电 l 连续使用约40小时,待机300小时,充电约2.5小时 l 外型尺寸:展开180度:120mm(长) x140mm(宽)x9mm(高) 合上0度或360度:120mm(长) x70mm(宽)x16.5mm(高) l 主机质量:98克 工作环境 温度:0℃~55℃ 湿度:20%-85% 适用对象 iPhone5。