100/100 newQuantity:1pcsMaterial: stainless steelMaximum weight: 400 gFolding length: 13.5 cmAdjustable length: 135-600 - mmWork style: wire controlIos mobile: with a built-in camera plug wire box without setting.Or set the volume button controlAndroid: need to open the camera - Settings - the function of the volume button - set to shutter video or photos.1. Don't need to link the bluetooth 3.5 M audio photographs2. No charge (bluetooth from shaft in use process need to carry the charging line， and battery life is limited， in the long journey is likely because no electricity affect your beauty take).3. Plug and play， android apple common belt line from the shaft， the android 4.2.2 of above system， the iphone ios5.01 version above， directly insert the line phone audio mouth， can control the camera phone pictures， market is the most simple of the shaft.