Operation System: Nucleus Display: 1.54inch 240 x 240 Capacitive touch CPU: MTK2501 Wight: 58g Speaker: 8ohm / 0.5W speaker x 1 Support:Mic G-sensor Bluetooth 4.0 I/O prot:Micro USB Key buttons: POWER ON-Okay/RETURN/VOL+/VOL- Phone Book: 1000+ Phone: Support SMS: Support Barometer: Support Altimeter: Support The thermometer: Support Vibration: Support Music Player:Support Set Time/Date: Support Alarm: Support Stopwatch: Support Language: Default China and English(Multi language support) Smart Phone Information notification: Gmail CNN APP ZAKER LINE Facebook Instugrate Facebook Message QQ V Message 360 Battery: 3.7V/250mAh Lithium-ion polymer battery Products size: 36.9 x 58.4 x 10.3mm Phone Type: Bluetooth watch Screen Size: 1.54" inch Touch screen: Capacitive OGS Screen resolution: 240 x 240 Button Type: three side buttons three side buttons (switch + volume addition and subtraction) CPU: mtk2501 FM: Support Camera: 2.0MP camera Buzz: sports pedometer sleep reminder synchronous phonebook/SMS/Call history and intelligent application notice Input method: support handwriting Call records: Answering + missed calls dialed Synchronization functions: phone book text messages Smart Bluetooth: Bluetooth dialing Bluetooth music Bluetooth phonebook synchronization SMS sync intelligent application notice micro-channel QQ synchronization. Special Features: Pedometer drink reminder sleep reminder sedentary reminder remote camera anti-lost burglar alarm call record scene modes alarm clock calendar calculator and other functions Picture format: Support JPEG / PNG / GIF / BMP and so on Bluetooth: Bluetooth 4.0 Headphone jack: 5Pin USB port for earphone and charge Language: English French German Spanish Italian Russian Portuguese and so on.