Specification: Size: 41x48x12.5mm. Weight: 55g. Chipset: MTK 2502A. Mode: BT. Bluetooth Version: 4.0. Display: 1.22' 240x204 Resolution. Touch: Support, Capacitive Touch. Memory: 128 MB ROM and 64 MB RAM. G-sensor: Enabled. Speaker: AAC 0916. Capacity: 320mAH Lithium-polymer Battery. Standby Time: 140-160hrs. Talking Time: 4-6hrs. Charger Interface: 5pin Charger Seat. Material: Stainless Steel. Color: Gold, Silver, Black. OS: NUCLEUS. Language: Chinese, English, German, French, Spanish, Russian, Portuguese, Arabic, Italian, Thai, Turkish, Indonesian. Compatibility: IOS and Andriod. Features: Notification Manager. (Vibrator, Ring): Alarm for incoming call, Missed call,New SMS,New Email,Schedule Notification,Sedentary Reminder Siri: Voice Control Functions of Intelligent Mobilephone. Contacts: Sync Contacts with Phone, Indexed Fast Search, Easy to make outgoingcall Bluetooth Earphone. (support HFP ): Accept or reject incoming call, make outgoing call as a Bluetooth earphone, call log. Weather and Datetime: Support Varous Surface Mode, Clock Dial. Remote Control Monitoring: Find My Phone via The Watch or Find My Watch via The Phone. Control the Media Player Remotely. Dual Direction Remote Camera. Ourdoor Health: Pedometer, Calorie, walking mode. Sleep Management: Monitoring Sleep Quality. Sound Recording: Support. MP3: Support. Supported Graphics Formats: BMP or JPG or GIF. Message: SMS,MMS. Package Included: 1 x Smart Watch. 1 x Charging seat. 1 x Data line. 1 x User Manual