APP:fitpro Compatible systems: Android 5.0 (above), IOS8.0 (inclusive) and above Bluetooth: Bluetooth 4.0 Capacity: 80mAh Charging method: USB Charging time: about 2H Life time: Use 2-3 days APP support languages: English, Simplified Chinese, Traditional Chinese, Dutch, Russian, French, German, Portuguese, Spanish, Turkish, Japanese, Polish, Arabic, Malay, Thai, Czech, Slovak Specifications: 1【Dynamic 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 2 【Multiple online theme dials】After the bracelet is connected to the fitProAPP, you can download various exquisite dials from the fitProAPP; you can also convert the scenery and favorite pictures you took in your mobile phone into the background of the dial to meet the diverse needs of users . 3【Bluetooth remote control camera】Turn your wrist to control the phone to take pictures, explore the new fun of taking pictures, and freeze every wonderful moment of yours 4 【Sedentary 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