Item No. D19 Model D19 Time to Market 2019 Applicable platform Fully compatible Compatible platform WindowsMobile Applicable to the crowd Business, adults, the elderly, fashion, the general public, children Screen size 1.3 inches Material silicone Battery capacity 200 mAh Product weight 80G Body memory 0 Wearing mode Wristband operation mode Touch interface USB 3.0 Wireless distance 5m (included)-10m (included) Communication function Not supported Wristband material Silicone Additional features: information push, health monitoring, sports tracking, smart reminders, mobile positioning, sleep analysis, step counting, tracking/alarm, audio-visual entertainment, social entertainment, remote control selfie color blue, black, red, silver gray, green