niceEshop(TM) White 26650 Battery Case Holder Storage Box(White) Retracted Size:10x4x2.5cm ; Fully extended Size:2.5m (8feet) Support Network Speed:10 to 100 Mbps automatically Cable Comes with 8 pin RJ45 connectors on each end Just pull on each side to extend and push button to retract with different lengths Connect PC or laptop for network connectivity