A larger 1.3-inch screen, larger words, clearer, high-precision touch screen, can achieve a variety of operations, smart steps, calories, sleep and heart rate monitoring, can quickly view various functions, and the broad color display is softer to touch. Features: You can use your mobile phone to find your bracelet and use your bracelet to find your very suitable mobile phone. Compatible with Android and iOS systems. Clear color screen, night version is clear and not dazzling. Tempered glass screen, wear-resistant, scratch-resistant. Messages are remembered and forwarded in real time, can take photos and record videos. Real body monitoring, including heart rate and sleep status. Environmental protection TPU straps, high toughness, skin-friendly, comfortable. Built-in multi-sport modes, alarm clock, pedometer and other practical functions. Wrist optical heart rate, lift your hand to illuminate, monitor heart rate changes in real time. Built-in USB interface, plug and play, universal, practical, convenient and fast. Specifications: Color: blue, black, red, purple, green (optional) Screen size: 1.3" Resolution: 240*240 Waterproof: IP65 BT: 4.0 Applicable system: IOS 9.0 and above, Andriod 5.0 and above Material: TPU + glass + metal Battery: 3.7V, 150mAh Package size: 122*80*30mm/4.8*3.1*1.2in Package weight: 44g / 1.55oz Packing list: 1 * Smart Watch