<ul><li>Screen size: 1.54 inches</li><li>Material: Silicon</li><li>Battery capacity: 150mAh</li><li>Operation mode: touch</li><li>Communication function: support</li><li>Color: black, pink, white</li><li>Functions: audio-visual entertainment, step counting, mobile positioning, calling, motion , sleep analysis, health monitoring, information push, remote self-timer, sleep analysis</li></ul>