Features: 100% brand new and high quality High performance, low power consumption, dual Bluetooth-compatible chips, precise circuit design, sensitive control, more stable, durable, dustproof and waterproof. The large 1.69-inch color screen brings a wider field of vision, and the 2.5D curved glass design makes the touch experience smoother. AAC speakers, super high sound quality. Scientific sleep monitoring, using imported optical heart rate to protect your health throughout the day, 24-hour heart rate monitoring, and real-time push of messages. Bluetooth-compatible call supports one piece of dialing. Take pictures remotely and quickly freeze the wonderful moments. Built-in 15 exercise modes, intelligently record the number of exercise steps, heart rate, and calories. Whether indoors or outdoors, you can imagine sports moments with you. Package Includes: 1x Smartwatch 1x Manual 1x Data Line Specifications: Material:ABS+Zinc Alloy Size:Approx.5.3x3.5cm/2.08x1.38inches Color:Black/Silver Compatible with E17 note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.