APP:fitpro Compatible systems: Android 5.0 (above), IOS8.0 (inclusive) and above Bluetooth: Bluetooth 4.0 Capacity: 80mAh Charging method: USB Waterproof rating: IP67 Charging time: about 2H Life time: Use 2-3 days, standby 5 days Wristband size: total 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: 1Dynamic color display large screen Increase the display area, so that calls, messages, reminders are clearly visible, and more information can be viewed at a glance 2IP67 waterproof and dustproofIt has been certified by international protection standards, IP67 waterproof, it is not a problem to wash hands and rain, anytime, anywhere, let you be fearless. 3Bluetooth remote control cameraTurn your wrist to control the phone to take pictures, explore the new fun of taking pictures, and freeze every wonderful moment of yours 4Sedentary reminder If you are fully invested in forgetting time, the bracelet will remind you to get up and walk, and wake up to a better physical state Package Included: 1*Smart bracelet 1*Charger 1*Manual