Features: * Appearance type: watch bracelet * Product size: 11.4*36.4*42 * Product weight: 0.044KG * Color box size: 122mm*81mm*32mm * Box size: 44CM*32CM*27CM * One box/100 units/weight: 4.8KG * Motherboard size: 34.3*28*8.15mm * 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 Set up * Time and date: support, digital display specification: 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