Orginal $299 Owlet Smart Sock 2 ANDRIOD USERS or PREVISOULY DOWNLOADED OWLET APP FOR APPLE - Smart Baby Monitor View Heart Rate and Average Oxygen 02 as Sleep Quality Indicators. Wakings, Movement, and Sleep State. Digital Sleep Coach and Sleep Assist Prompts - Mint DetailsDetails Brand Owlet Material Nylon, Spandex Color Mint Compatible Devices IPhone Screen Size 4 Inches Item Dimensions LxWxH 5.5 × 3.25 x 7.5 inches Battery Life 7 days Battery Description Lithium-lon All accessories, manuals, plugs included. Good condition. Some signs of wear on sock (shown in pictures) no