The crowd: adults， children， popular， fashion， business， old manScreen size: 1.3 inchesInterface: USB 2.0Camera: 1.3 megapixelScreen Material: Medical SiliconeWearing styles: wrist-mountedMenu Language: English / Multi-countryAdditional features: monitoring， health monitoring， social entertainment， track / alarm， pedometer， information push， intelligent alerts， remote self-timer， motion tracking， entertainment， sleepWireless distance: 5m (including) -10m (including)Battery capacity: 400 mAOperation: Touch push-button +Screen resolution: 240 * 240Color: white， blue， black， red， greenTips: Different measurement， 1cm-2cm error are normal. Color display some error， please prevail in kind!��Contact us:If have any questions， please contact us Facebook��jinhaochen ， we usually get back to you within 12 hours. Wish you have a happy shopping .