• Item Type:Digital Wristwatches
• Feature:Moon Phase,Alarm,Back Light,Fitness Tracker,Week Display,Chronograph,Message Reminder,Call Reminder,Sleep Tracker,Bluetooth,Shock Resistant,Answer Call,Complete Calendar,Auto Date,LED display
• Movement:Smart,Digital
• Dial Diameter:20mm
• Boxes & Cases Material:Paper
• Gender:lovers'
• Case Material:Carbon Fiber
• Model Number:YDY-V05C
• Clasp Type:Hidden Clasp
• Style:Sport
• Band Material Type:Silicone
• Case Shape:Rectangle
• Band Length:24inch
• Case Thickness:10mm
• Band Width:20mm
• Dial Window Material Type:Acrylic
• Water Resistance Depth:No waterproof
• Control mode:touch the button, raised his hand display
• Data connection:low power Bluetooth 4.0 sync
• Compatible systems:Android 4.3 and iOS 8.0 or later
• Waterproof and dustproof:anti-sweat, rain, splash water
• Battery type:Polymer lithium battery
• Battery capacity:70mAh
• Life time:3 to 5 days or more
• Charging method:contact charge
• Charging time:about 1 to 2 hours
• APP Language:11 different languages