Material: aluminum alloy + ABS + silicone
Battery capacity: 65mAh
Maximum length after shrinkage: 166+/-2mm Maximum stretch length: 600+/-10mm
Minimum bracket distance: 55+/-2mm Maximum bracket distance: 90+/-3mm
Compatible devices: for IOS 7.0 or above, and other Android 5.0 or higher mobile phones
Product size: 196x27mm