Interactive Music, Moon Phase 3 color : Black orange white,random color Screen Size :44-49Mm Model Number:T900 Ultra Battery Type:Polymer Lithium Battery Screen Size::2.09inch Keywords:Ultra Watch8 Display Type :Computer LCD Monitors Screen Resolution :320x240 Features :Touch Screen, APP Control, Sand Playbox Operating System : Android, Android Watch Camera :No Camera Design :Sandal Movement Type :Electronic Tape Material :Rubber Cover Material :Alloy Function :Lighting, Calendar, Alarm Clock, Week, Month, World Time, Sleep Tracker, Fitness Tracker, Both Small, Calculator, Phone Reminder, Call Answer, Push Message, Make Calls, Heart Rate Tracker