The best smartwatches 40mm in comparison

Bluetooth Calling & Built-in Alexa With the built-in microphone and Hi-Fi speaker, the smart watch can make answer calls directly. The smart watch syncs SMS and messages from apps (WhatsApp, Facebook, etc.), so you won't miss any important information, whether you're exercising or driving. With Alexa built-in, you can do almost anything with your voice. Whether you want to play your favourite music, check the weather or set an alarm, Alexa is up to the challenge and leaves your hands free.

2025 Bluetooth Call & Message Notification The smart watch is equipped with a new Bluetooth chip, built-in speaker and high-quality microphone, making it easy to make and receive calls without a SIM card. You can also view contacts and call logs, and use the smartwatch as a multimedia player. Supports notifications from social media such as Facebook WhatsApp Twitter, so you will not miss any important news even while driving.

ULTRA LIGHT & COMFORTABLE Ultra-light 34g design, up to 15% lighter than most smart watches, with no sense of pressure when wearing! AGPTEK smart watch adopts a soft liquid silicone strap that ensures an easy and comfortable fit for all-day wear (NOTE NOT SUPPORT MAKING ANSWERING CALLS and SENDING MESSAGES)

Bluetooth Calling & Intelligent Notification With the built-in microphone and Hi-Fi speaker, the smart watch can make answer calls directly. In addition, you can get SMS text and SNS messages including Facebook,Twitter, WhatsApp, Linkedin, Messenger and more when the smart watch is synced to the smartphone. The smart watch receives messages, calls, and app notifications by getting a vibration alert on the watches device.

Simply press the release button on the one-click band to detach your current watch band and attach a new one. With multiple watch bands to choose from, find the one that matches your vibe!

6+ days of battery and Water-resistant up to 50m

Bluetooth Call and Message Notification The smart watch is compatible with most iOS 8.0 Android 4.4 or higher smart phones. After connecting the watch with your phone, the watch will display notifications for your incoming calls, messages, emails, weather and all apps. And it can make and receive phone calls, can also control and play music, check the weather directly through the watch's AI function while exercising or driving.

Longer Battery Life, More Functions The fitness smart watch is compatible with Android 9.0 and iOS 13.0+. Sports watch has a 300 mAh battery that supports 1.5 hours fast charging, the power can be used for 7 days in normal usage and standby time up to 20+ days. The easy-to-use smart watch covers a number of functions, including no-disturb, power saving mode, flashlight, weather, music, timer, alarm etc.

and Featuring an integrated microphone and speaker, LLKBOHA smartwatch allows you to make and receive calls with ease. Once paired with your phone, you ll get instant notifications from Facebook, Twitter, WhatsApp, Instagram, and more to keep you connected(App permissions required)

Compatible Model Protective Cases perfectly fit for Apple Watch Series 6 40mm Series 5 40mm SE 40mm Series 4 40mm smartwatch, cover the whole touchscreen, provides full protection,Just Only Case, Not include watch.

BRILLIANT COLORSGPS fitness smartwatch with ultra-sharp 1.1 (2.8 cm) AMOLED touch display. Sleek design for slim wrists and up to 10 days battery life. Now new fast charging function and energy saving mode.

Bluetooth Calling and Smart Notification Smart watch has high-quality Bluetooth technology. After Bluetooth is connected to the mobile phone, it can stably answer and make calls through the built-in microphone. The smart watches for women also supports real-time access to all important notifications, which can be displayed on your wrist through vibration, so you do not miss any important messages. Our smartwatch compatible systems include Android 6.0 or above ios 12.0 or above.