Mi Band 8 Smart Bracelet Heart Rate Blood Oxygen Sport Watch Waterproof Electronic Bracelet Fitness APP:fitpro Charging method: Magnetic charging Compatible systems: Android 5.0 (above), IOS8.0 (inclusive) and above : 4.0 Capacity: 80mAh Charging method: USB Waterproof rating: IP67 Charging time: about 2H Life time: Use 2-3 , standby 5 Wristband size: length 250MM, adjustable length 120-200MM Appearance Material: Body: Plastic Wristband: Thermoplastic Elastomer + Stainless Steel APP support languages: English, Simplified Chinese, Traditional Chinese, Dutch, Russian, French, German, Portuguese, Spanish, Turkish, Japanese, Polish, Arabic, Malay, Thai, Czech, Slovak Specifications: Dynamic color display large screen Increase display area to make incoming calls,messages, and reminders clear and visible, allow-ing for more information at a glance. fashionable dials for style After connecting the bracelet to the FitProAPP, vari-ous exquisite dials can be downloaded from the Fit-ProAPP; It is also possible to convert the scenery and favorite images captured on your phone into a dial IP67 waterproof and dustproof Certified by international protection standards, IP67 waterproof, effortless in washing hands and shower-ing in the rain, anytime and anywhere, making you fearless. remote photography Flip your wrist and control your phone to take photos, explore new photography fun,and freeze every excit-ing moment of yours Package Included: 1*Watch 1*Charger 1*Instructions