Product information:Color: Black steel strip, silver steel strip, black leather, orange peel, vinyl, white glueScreen size: 1.3 inchesProcessing Method: OEMInterface: USB 2.0Additional functions: Audio and video entertainment, step counting, mobile positioning, monitoring, social entertainment, smart reminder, remote control selfie, health monitoring, information push, tracking/alarm, motion tracking, sleep analysisColor classification: GoldApplicable people: business, public, fashion, adult, elderlyBattery capacity: 200mAhOperation mode: touch buttonProduct Size: 210*45*12mm (total length of strap * case diameter * thickness)