Color Black Brand N/A Model N/A Material Silicone Quantity 1 Set Shade Of Color Black Display 1" Control Mode Button Target Position Wrist Physical therapy function Sleep monitoring Power Supply OthersUSB Plug Specifications OthersUSB Other Features Compatible models: cellphone: iPhone 4S iPhone5 iPhone 5S iPhone 5C iPod touch 5; Tablet PC: the New iPad iPad4 iPad mini iPad mini 2 iPad air; Supports Android devices with Android 4.3 & the above system and some of bluetooth 4.0 devices; Doesn't support PC sync. Packing List 1 x Smart bracelet 1 x USB charging cable (30cm) 1 x English user manual