STK-7021X-SHENZHEN SAITAKE ELECTRONIC CO.,LTD.-Controller Dimension: 160 X 110 X 60mm ±2mm Connection:Bluetooth 2.1+EDR Frequence:2.402 ~ 2.480GHz Battery capacity:400MA Charge time:1-1.5H Time of continuous use:4-12H Polyshine 3D Joystcik,lif