waterproof: water resistant for splashband style: wristDisplay: OLEDSim card: GSM(2G) SIM cardGSM frequency: 800MHz/900MHz/1800MHz/1900MHzGSM/GPRS: MTK/UBLOXGPRS: Class12 TCP/IP build in GSM moduleGPS sensitivity: -159dBmGPS accuracy: 10m 2DLBS accuracy: 50m-200mBattery: 340mAhDimension: 185mm(L) 33mm(W) 12.5mm(H)weight: 32g Package included:1*Watch1*Charge cable1*Manual1*Gift box