Specifications: * Appearance type: Watch Bracelet * Product size: 11.4*36.4*42cm / 4.49*14.33*16.53 inch * Product weight: 0.044KG * Color box size: 122mm*81mm*32mm / 4.8*3.19*1.26 inch * Box size: 44CM*32CM*27CM / 17.32*12.6*10.63 inch * One box/100 units/weight: 4.8KG * Motherboard size: 34.3*28*8.15mm / 13.38*11*3.2 inch * Han Tianxia chip: HS6620D * Frequency band: 2.4GHz RAM * Flash: (plug-in FLASH): 16MB * RAM: 128KB Key function * G-sensor: Support * BT3.0: ​​support * BT4.0: Support * Heart rate sensor: Support (HRS3300) * Full-time Pedometer: Support * Antenna: BT antenna, built-in * Display: compatible design * Touch screen: support single point Battery Certification CTA: Passed * 3D sensor: support step counting analysis, sedentary reminder, sleep monitoring, remote camera, multi-sports * Heart rate and blood pressure: support * Incoming call reminder: support vibration * Two-way anti-lost: support * Bluetooth push notification: support domestic and foreign chat tools (app supported languages: Chinese, English, Spanish, French, Portuguese, Dutch, German, Russian * Languages ​​supported for message content push: English, Japanese, Traditional" Set up * Time and date: support, digital display Description: Style: sports Shell material: plastic Waterproof rating: life waterproof IP67 Screen type: 1.44 inches TFT 240*240 With detachable: yes Touch screen: yes Compatibility: all compatible Bluetooth: 4.0 Battery: 90mAh System: IOS 9.0 & Android 5.0 and above Package Included: 1 * Smart watch (no charger in the box) 1 * User Manual 1 * retail box Notes: 1. Due to differences between different displays, the picture may not be able to reflect the actual color of the project. We guarantee that the style is the same as the picture. 2. For different manual measurements, please allow some dimensional differences. Thank you! 3D sensor: support step counting analysis, sedentary reminder, sleep monitoring, remote camera, multi-sports Heart rate and blood pressure: support Incoming call reminder: support vibration Two-way anti-lost: support Bluetooth push notification: support domestic and foreign chat tools (app supported languages: Chinese, English, Spanish, French, Portuguese, Dutch, German, Russian