1. Introdución
Welcome to the LIGE SML21-H Smartwatch user manual. This guide provides detailed instructions on how to set up, operate, and maintain your new smartwatch. The LIGE SML21-H features a 1.43-inch AMOLED display, Bluetooth calling, extensive health monitoring, and multiple sports modes, designed to enhance your daily life and fitness activities.

Image: The LIGE SML21-H Smartwatch, showcasing its round AMOLED display and two strap options: a black metal strap and a brown leather strap.
2. Que hai na caixa
Upon opening your LIGE SML21-H Smartwatch package, you should find the following components:
- 1 x LIGE SML21-H Smartwatch
- 2 x Watch Straps (e.g., 1 metal, 1 silicone)
- 1 cargador magnético
- 1 x Manual de usuario (este documento)
3. Configuración
3.1. Carga do reloxo intelixente
Before initial use, fully charge your smartwatch. The device is equipped with a 750mAh lithium polymer battery.
- Connect the magnetic charger to the charging contacts on the back of the smartwatch.
- Plug the USB end of the charger into a compatible USB power adapter (not included) or a computer's USB port.
- The watch display will indicate charging status. A full charge typically takes approximately 2.5 to 3 hours.
A 10-minute charge can provide enough power for a full day of use. A full charge offers 5-7 days of normal use and up to 15 days in standby mode.

Image: Illustration of the 750mAh battery and charging methods, including magnetic USB and USB-C cables, highlighting charging time and battery life.
3.2. Emparellamento co teu teléfono intelixente
To unlock the full functionality of your LIGE SML21-H Smartwatch, pair it with your smartphone using the companion application.
- Descarga a aplicación: Scan the QR code in the product manual or search for the "Da Fit" app in your smartphone's app store (compatible with Android 5.0+ and iOS 9.0+).
- Activar Bluetooth: Asegúrate de que o Bluetooth estea activado no teu smartphone.
- Abre a aplicación: Launch the "Da Fit" app and follow the on-screen instructions to add a new device.
- Seleccione o dispositivo: From the list of available Bluetooth devices, select "SML21".
- Confirmar emparellamento: Confirma a solicitude de emparellamento tanto no teu teléfono intelixente como no reloxo intelixente.
- Enable Call Functionality: Within the app or your phone's Bluetooth settings, ensure the smartwatch is connected for calls to enable making and receiving calls directly from your wrist.

Image: A visual guide demonstrating the six steps to easily connect the smartwatch to a smartphone via Bluetooth, including app download, Bluetooth activation, device selection, and call function enablement.
4. Instrucións de funcionamento
4.1. Navegación básica
The LIGE SML21-H Smartwatch features a full-touch AMOLED display and physical buttons for navigation.
- Pase o dedo cara arriba/abaixo: Desprácese polos menús e as notificacións.
- Pase o dedo cara á esquerda/dereita: Access quick widgets or different functions.
- Toca: Selecciona un elemento ou confirma unha acción.
- Prema o botón lateral: Volver á pantalla de inicio ou acender/apagar o dispositivo.
4.2. Chamadas e notificacións por Bluetooth
Once paired, you can manage calls and receive notifications directly on your smartwatch.
- Facer chamadas: Access the dial pad or contact list on your watch to initiate calls.
- Recepción de chamadas: The watch will display incoming call alerts. You can accept or reject calls from your wrist. The built-in microphone ensures clear call quality.
- Notificacións: Receive real-time alerts from over 20 social applications (e.g., Facebook, Twitter) and other apps configured in the "Da Fit" app.

Image: The smartwatch interface showing a dial pad for making calls, an incoming call screen, and various social media app icons for message notifications.
4.3. Modos deportivos
The smartwatch supports over 123 different sports activities, providing comprehensive tracking for your workouts.
- Acceder aos modos deportivos: Navigate to the sports mode section on your watch.
- Seleccionar actividade: Choose from activities like running, cycling, swimming, rope skipping, and more.
- Métricas da pista: The watch will track duration, calories burned, steps, heart rate, and distance.

Image: A man engaged in golf, wearing the smartwatch, with visual representations of various sports activities like hiking, tennis, weightlifting, and cycling, indicating the 123+ sports modes.
4.4. Monitorización da saúde
Monitor your health metrics 24/7 with the integrated sensors.
- Frecuencia cardíaca: Monitorización continua da frecuencia cardíaca.
- SpO2: Medición da saturación de osíxeno no sangue.
- Monitor de sono: Rexistra os patróns de sono, incluíndo o sono profundo, o sono lixeiro e as horas de vixilia.
- Seguidor de actividades: Rexistra os pasos, a distancia e as calorías queimadas diariamente.

Image: The smartwatch interface showing detailed graphs for heart rate, blood oxygen levels (SpO2), and sleep duration with different sleep stages.
4.5. Esferas de reloxo personalizables
Personalize your smartwatch with a variety of watch faces.
- The watch comes with 5 pre-installed watch faces.
- Access over 100 additional designs through the "Da Fit" app.
- You can also customize watch faces using your own photos from your phone's gallery.

Image: A collage of numerous watch face designs available for the smartwatch, alongside a smartphone screen showing the app interface for selecting and customizing watch faces with personal photos.
4.6. Outras funcións
The LIGE SML21-H includes several practical tools:
- Calculadora
- Xogos
- Cronómetro
- Control de música
- Obturador remoto da cámara
- Buscador de teléfonos
- Reloxo despertador
- Recordatorio de sedentarismo
- Visualización do tempo
5. Mantemento
5.1. Resistencia á auga (IP68)
The smartwatch has an IP68 water resistance rating, meaning it is protected against dust and can withstand immersion in fresh water up to 1.5 meters for 30 minutes.
- It is suitable for swimming and showering.
- Evitar: Hot showers, saunas, or exposure to extreme temperatures, as steam and high temperatures can compromise the water seal.
- Evitar: Exposure to saltwater or chemical liquids. Rinse with fresh water and dry thoroughly if exposed.

Image: A man swimming while wearing the smartwatch, with icons indicating its suitability for rain, hand washing, and splashes, and warnings against hot showers and extreme temperatures.
5.2. Limpeza e coidado
- Limpe o reloxo e as correas regularmente cun pano suave e seco.
- Se é necesario, use un lixeiramente damp pano para limpar e logo secar completamente.
- Evite o uso de produtos químicos agresivos ou materiais abrasivos.
5.3. Duración da batería
- Evita descargar completamente a batería con frecuencia.
- Garde o dispositivo nun lugar fresco e seco cando non o use durante períodos prolongados.
6 Solución de problemas
If you encounter issues with your LIGE SML21-H Smartwatch, refer to the following common solutions:
| Problema | Solución |
|---|---|
| O reloxo non se acende | Asegúrate de que o reloxo estea completamente cargado. Conéctao ao cargador durante polo menos 30 minutos. |
| Non se pode emparellar co teléfono |
|
| Notificacións non recibidas |
|
| Datos sanitarios inexactos |
|
7. Especificacións
Key technical specifications for the LIGE SML21-H Smartwatch:
- Modelo: SML21-H
- Visualización: 1.43-inch AMOLED, 466x466 pixels resolution
- Batería: Polímero de litio de 750 mAh
- Tempo de carga: Aproximadamente 2.5 - 3 horas
- Duración da batería: 5-7 días (uso normal), ata 15 días (en espera)
- Procesador: JieLi JL7012A6
- Memoria: 128 MB
- Conectividade: Bluetooth
- Resistencia á auga: IP68 (3ATM / 30 meters)
- Compatibilidade: Android 5.0+ / iOS 9.0+
- Dimensións: 20.5 x 9.8 x 2.4 cm (embalaxe)
- Peso: 260 g
- Compoñentes incluídos: Smartwatch, 2 Watch Straps, Charger, User Manual
8. Garantía e soporte
LIGE Smartwatch offers a 12-month warranty for the SML21-H model, ensuring your satisfaction with the product.
For any questions, technical assistance, or warranty claims, please contact LIGE customer support. Refer to the contact information provided in your product packaging or on the official LIGE website for 24/7 support.





