Color Black Brand Others Model N/A Quantity 1 Piece Material ABS Battery Type CR2032 battery Battery Number 1 Battery included or not Yes Waterproof Yes Backlight No Data interface OthersBluetooth 4.0 Other Features Used with appit can measure and report your pedaling strokes per minute providing feedback for optimal performance; Compatible models: iPhone 4S / 5 / 5C /5S iPod touch 5 iPad3 mini android 4.3 and the senior versions. Packing List 1 x Speed cadence sensor 4 x Replacement cable ties 2 x Rubber pads 1 x Magnet 1 x Chinese/English user manual