Product information:Body material: PC+ABSProhibited material: thermoplastic polyurethaneUnit size: 16.5*11.5*145~223mmUnit weight: 20.7-Display size: 0.96 inch TFT screenDisplay resolution: 160*80dpiBattery capacity: 80 mABattery life: 7-10 daysSpare tooth: 25 daysColor: black/green/pinkBluetooth processor: TLSR8251F512ET32/5*5mmQFN32Step sensor: SC7A20/2*2mm/LGA12Heart rate sensor: SC7R31Bluetooth version: low power BLE 5.0Bluetooth connection distance: 8-10 metersMemory (RAM+ROM+Flash): 32KB+512KB+4MBData storage: 7 daysWaterproof rating: IP67Charging type: built-in USBPacking list:Childrens watch x1