1.bluetooth control
2.accessory:L shape clamp (hyaline) or U shape clamp (hyaline)
3.Hand wrist lanyards
4.a button cell battery

"Max load capacity:500g
length of  extension:30.5cm-108cm
Net weight:155g
Battery capacity:210mAh(button cell battery)
Support System: Android 3.0 and up generation, 
                            iOS 6.7 and up generation 
color:green (hyaline) ,red (hyaline) ,blue (hyaline) "