Color:Silver Display Type:TFT Screen Resolution:128x128 Screen:< 2" Display Color:Color Feature:Touch Screen,Bluetooth Operation System:ANDROID Camera:No Camera Design:Flip Product Name:Smart watch Battery:550mAh lithium-ion polymer battery External Memory:Support TF card up 32GB Bluetooth version:3.0 Product dimension:58.5*39.5*12.3mm Product weight::70G