COLMI i20 Bluetooth Calling IP67 Waterproof Smart Watch

COLMI i20 Smartwatch is a nice pick. It supports Bluetooth calling, so you can answer call and talk without touching your phone. The watch body look clean and modern, and the 1.32 inch HD screen is bright and sharp, so easy to read even in sunlight.

Fitness and Health Features

This watch also helps you stay healthy. It got heart rate sensor, SpO2 monitor, and sleep tracking. So you can check how your heart doing, how deep you sleep, and more. Also count your step and calorie, so it help during gym or morning walk. All data show on watch or app, easy to understand.

Bluetooth Calling and Smart Control

With Bluetooth 5.1, connections stay strong and stable. You can make and receive call, see contact, and even use dial pad from the watch. Mic and speaker built in, so you don’t need earphones. Also get message, Facebook, WhatsApp alert on screen.

Multiple Sports Mode and Smooth UI

The watch has many sports mode like running, cycling, skipping, and more. The UI is smooth, and the chip inside is strong, so no lag or hang. You can swipe and use all features with a fast response.

Battery and Charging

The battery lasts 5 to 7 days on normal use. It charges with magnetic charger, and take around 2 hour to full. So you can charge once and forget for many day.