for now watch can use for two app, first is qifitpro, second is lewear, please check which can be use.this is new 2024 hello watch 3+ version ,upgrade new box, and for now watch face have 21 watch faces.for the watch please use 5w wall charger max 10w, not use super fast charger, fast charger will hurt the wireless motherboard. will happened after first charger watch can not charger in power, for this please take care.para el reloj por favor use 5w cargador de pared max 10w, no use cargador super rapido, cargador rapido lastimara la placa base inalambrica. sucedera despues del primer cargador reloj no se puede cargar en potencia, para esto por favor tenga cuidado.Hello watch 3 is an upgraded version of Hello watch 2,it build in best and newest AMOLED screen,The black bars around the screen are super narrow, a true full screen.and Build in newest TOP CPU chip makes the system operation smoother.and new add 4GB ROM, you can download more music and e-book,and it has a real compass function, and the watch can be connected to Bluetooth headphones to play music.( Note: Local music and watch connected to Bluetooth earphone only support Android phone now)Parameters:Screen: 2.04-inch Full HD screen,Screen material:Ltpo AMOLED screen,425*518 resolutionScreen refresh rate: 90HzCPU: A16Storage: RAM 128M + ROM 4GBDimension: L49*43*14mmShell: 49mm 1:1 Titanium alloy case with metal strap lock button and real screw on the back.(smartwatch)Strap: Standard silicone strap, suitable for 44/45/49mm strapColor: 1:1 Titanium color of watch body.Charger: Wireless magnetic chargingSupport: Android 5.0+, IOS8.0+Battery:450mAhLithium-ion polymer batteryBluetooth: 5.1for now watch use new :qwachproFunction of Hello watch 32.04real Full HD screen, Ltpo AMOLED screen, Real Compass function, Red dot indication for unread messages, Customize orange key functions, Customize the shortcut action bar, NFC access control unlock, drinking water reminder, sedentary reminder, Bluetooth calls, 500 contacts, heart rate monitoring, blood oxygen monitoring, Temperature measurement, sleep monitoring, independent alarm clock, 173 sports modes, lock screen password, screen off clock, Always-on display, custom watch face, voice assistant, weather forecast, calculator, timer, bedside lamp, raise to wake up, cover to turn off the screen, vibration adjustment, brightness adjustment, volume adjustment, Local music, sound recording, Connect to Bluetooth earphone, Real-time Positioning (It must be connected to the mobile APP)...Upgrade Point2.04 inches real full Screen.(smartwatch)Ltpo AMOLED screen.Newest CPU A16, High performance and low power consumptionUpgraded 4GB ROMHigh-performance and low-power chips greatly extend the service life of watch batteriesNewest UI design, more smooth operation1:1 Titanium color of watch bodySupport uninstalling some built-in APP of the watchSupport custom orange key functionSupport for customizing shortcut action barsLocal music supports IOS and Android phoneSupport download E-book to the watchNoteWaterproof: It is just life waterproof allow the watch to be used normally when washing hands and in rainy days, but not allow to swimming and bathing. It is not allowed to soak the watch in water! (Please be careful to avoid corrosive liquids like hand sanitizer, soap enter the watch and cause component damage.)Position: It is just a Position function, the watch does not have a built-in GPS chip, you need to connect the watch to the mobile phone software Qifit, and then push the location information to the watch.NFC door access control: it doesnt support NFC payment. The watch has a built-in NFC chip, there is no NFC software icon on the watch, you only need to use the watch as an NFC access control card, record the NFC ID of the watch through the access control system, and then the watch can be used as an NFC access control card.(smartwatch)(1). The NFC of this watch only supports as IC door cards with a frequency of 13.56MNZ (applicable to 80% on the market), does not support other functions.(2). The fingerprint lock enters the administrator mode-add-card-write.(3). Encrypted access control of the community needs to be written in the community property management office.Please use the original charging cable of the Hello watch to charge the watch, other models of cables cannot support charging.Please use a 5V1A (5W max) power adapter to charge the watch, otherwise the watch may not charge!Sensor light: The watch itself has only 3 sensor lights, if only 3 sensor lights are on, it is normal.The firmware of the watch will be updated from time to time to fix bugs, in order to make you have a better experience, please download the latest version of Qifit by scanning the QR code of the instruction manual when you receive the watch, and then connect the watch to update the firmware to the latest version! Thank you!(*Only the latest version of Qifit can update the watch firmware. If Qifit is already installed on your phone, please uninstall and re-scan the QR code of the manual to download the latest version