# Amazfit T-Rex 3 Pro The text version of the iDevice Guide at https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro. Same data as the page, last updated 2026-10-02. > The T-Rex 3 with a titanium bezel, sapphire glass, a flashlight and a speaker for calls. Up to 25 days on the 48mm. $399.99. - Status: On sale - List price: $399.99 (The maker's own starting price.) - Released Sep 5, 2025 (source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro.js)) - Guide: https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro - Last updated: 2026-10-02 ## Can it do this? - **How long does the battery last?** It runs 25 days in normal use. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#can-how-long-does-the-battery-last)) - **What does it cost?** It costs $399.99. That is the list price. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#can-what-does-it-cost)) - **Does it have GPS?** Yes, it has its own GPS. It works without your phone. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#can-does-it-have-gps)) - **Can it get wet — shower, pool, swimming?** Yes, you can shower and swim in it. It is rated to 45m, and for snorkelling. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#can-can-it-get-wet-shower-pool-swimming)) - **How big is the screen?** The screen measures 1.5 inches. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#can-how-big-is-the-screen)) - **How heavy is it?** It weighs 46.8g to 52g. The weight varies by size or finish. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#can-how-heavy-is-it)) - **How does it connect?** It connects over Wi-Fi. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#can-how-does-it-connect)) - **What kind of screen is it?** It is an AMOLED screen. The pixels light themselves, so blacks are deep and it can dim to almost nothing. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#can-what-kind-of-screen-is-it)) ## Works with A smartwatch that works with iPhone and Android. - **Which iPhones does the Amazfit T-Rex 3 Pro work with?** Works. It works with every iPhone that runs iOS 15.0 or later, from the iPhone 6s on. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#q-which-iphones)) - **How does the Amazfit T-Rex 3 Pro handle action cameras?** Works. Yes for compatible action cameras, which the watch can control. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). Checked 2026-10-02. - **Does the Amazfit T-Rex 3 Pro work with Android?** Works. Yes. The T-Rex 3 Pro works with an Android phone running Android 7.0 or later, through the Zepp app. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#q-android)) - **Does the Amazfit T-Rex 3 Pro work with Apple Health?** Works. Yes. Apple Health is on the list of apps the T-Rex 3 Pro syncs to through the Zepp app on an iPhone. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#q-apple-health)) - **How does the Amazfit T-Rex 3 Pro handle bands?** Works. Takes 22 mm (48mm) or 20 mm (44mm) straps, depending on the case size. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). Checked 2026-10-02. - **How does the Amazfit T-Rex 3 Pro handle charging?** Works. Charges on Amazfit's magnetic charging head. No cable comes in the box, so you use your own USB-C cable. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). Checked 2026-10-02. - **Does the Amazfit T-Rex 3 Pro work with Google Fit?** Works. Yes. Google Fit is on the list of apps the T-Rex 3 Pro syncs to through the Zepp app on Android. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#q-google-fit)) - **Does the Amazfit T-Rex 3 Pro work with iPhone?** Works. Yes. The T-Rex 3 Pro works with an iPhone running iOS 15.0 or later, through the Zepp app. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#q-iphone)) - **Does the Amazfit T-Rex 3 Pro work with Komoot?** Works. Yes. Komoot is on the list of apps the T-Rex 3 Pro syncs to through the Zepp app. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). Checked 2026-10-02. ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#q-komoot)) - **How does the Amazfit T-Rex 3 Pro handle sensors and accessories?** Works. Pairs Bluetooth workout sensors such as a chest heart rate strap, power meters and cycling speed and cadence sensors. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). Checked 2026-10-02. ## Questions ### How much does the T-Rex 3 Pro cost? $399.99 at Amazfit's US store, in either size. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#faq-how-much-does-the-t-rex-3-pro-cost)) ### Which phones work with the T-Rex 3 Pro? Android 7.0 and above and iOS 15.0 and above. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#faq-which-phones-work-with-the-t-rex-3-pro)) ### What sizes does the T-Rex 3 Pro come in? 48mm and 44mm. The 48mm has a 1.5-inch screen and the 44mm a 1.32-inch screen, both AMOLED at up to 3,000 nits. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#faq-what-sizes-does-the-t-rex-3-pro-come-in)) ### How long does the T-Rex 3 Pro battery last? Up to 25 days of typical use on the 48mm and 17 days on the 44mm. In the accurate GPS mode, up to 38 hours on the 48mm and 26 hours on the 44mm. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#faqs-how-long-does-the-t-rex-3-pro-battery-last)) ### How heavy is the T-Rex 3 Pro? 52g for the 48mm and 46.8g for the 44mm, without the strap. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#faqs-how-heavy-is-the-t-rex-3-pro)) ### Can I dive with the T-Rex 3 Pro? Yes. It is rated 10 ATM and certified for freediving and recreational scuba diving to 45 meters. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#faqs-can-i-dive-with-the-t-rex-3-pro)) ### Does the T-Rex 3 Pro have a flashlight? Yes. It reaches 200 lux, or 300 lux in Boost Mode. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro). ([on the Guide](https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro#faqs-does-the-t-rex-3-pro-have-a-flashlight)) --- Source: iDevice (https://idevice.com). Every spec, rumor and grade above links to where it came from. Full Guide: https://idevice.com/smart-watches/amazfit-t-rex/roadmap/t-rex-3-pro. This file: https://idevice.com/guide-text/amazfit-t-rex-3-pro.md. ## Questions and answers ### Using it **What does it cost?** It costs $399.99. That is the list price. Source: Amazfit **Does it have GPS?** Yes, it has its own GPS. It works without your phone. Source: Amazfit **How big is the screen?** The screen measures 1.5 inches. Source: Amazfit **How heavy is it?** It weighs 46.8g to 52g. The weight varies by size or finish. Source: Amazfit **How does it connect?** It connects over Wi-Fi. Source: Amazfit **What kind of screen is it?** It is an AMOLED screen. The pixels light themselves, so blacks are deep and it can dim to almost nothing. Source: Amazfit ### Sizing and fit **What sizes does it come in?** 48 x 48 x 14 mm or 44.8 x 44.8 x 13.2 mm; Grade 5 titanium bezel and buttons; fiber-reinforced polymer case. Source: Amazfit ### Water **Can it get wet — shower, pool, swimming?** Yes, you can shower and swim in it. It is rated to 45m, and for snorkelling. Source: Amazfit ### Price and models **When did the Amazfit T-Rex 3 Pro come out?** It went on sale September 5, 2025. Source: iDevice **Is there a newer one?** Yes: the Amazfit T-Rex Ultra 2, out February 19, 2026. Source: [iDevice](/smart-watches/amazfit-t-rex/roadmap/ultra-2) **How much does the Amazfit T-Rex 3 Pro cost?** List price: $399.99. Current price we last read at Amazfit: $399.99, October 2, 2026. Source: [us.amazfit.com](https://us.amazfit.com/products/t-rex-3-pro) ### Returns and warranty **How long do I have to return it?** 30-day returns The clock starts the day you buy it. Source: [Amazfit](https://us.amazfit.com/pages/warranty-policy) **Is there a restocking fee?** Up to 15% restocking fee If you send it back without a return approval or without all parts, Amazfit may refuse it or charge a restocking fee of 15% of the price, or the value of the missing accessories if that is higher. Source: [Amazfit](https://us.amazfit.com/pages/warranty-policy) **Who pays return shipping?** You pay return shipping You pay return shipping up front, and you carry the risk if it is lost or damaged on the way. Original shipping, gift wrap and taxes are not refunded. Source: [Amazfit](https://us.amazfit.com/pages/warranty-policy) **Can I return it if I opened or wore it?** Send it back like new Any reason, within 30 days of purchase, with a return approval (RMA). The item must be in the same physical condition as when bought (not broken or damaged), with all accessories, free gifts and the original packaging. Source: [Amazfit](https://us.amazfit.com/pages/warranty-policy) **How do I get my money back?** How you get your money back Paid within 4 weeks after Amazfit receives the product. Source: [Amazfit](https://us.amazfit.com/pages/warranty-policy) **How long is the warranty?** 1-year warranty Starts the day you buy it. Source: [Amazfit](https://help.amazfit.com/us/warranty) **Is water damage covered?** Water damage not covered Spillage of food or liquid is named as an accident that is not covered. Water resistance is not addressed in words. Source: [Amazfit](https://help.amazfit.com/us/warranty) **Is the battery covered?** Battery rules: not stated by Amazfit Source: [Amazfit](https://help.amazfit.com/us/warranty) ### In the box **What's in the box?** T-Rex 3 Pro with standard strap, Magnetic charging head, Instruction manual. Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro) ### Works with **Does the Amazfit T-Rex 3 Pro work with Google Fit?** Yes. Google Fit is on the list of apps the T-Rex 3 Pro syncs to through the Zepp app on Android. Works Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro) **Does the Amazfit T-Rex 3 Pro work with iPhone?** Yes. The T-Rex 3 Pro works with an iPhone running iOS 15.0 or later, through the Zepp app. Works Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro) **Does the Amazfit T-Rex 3 Pro work with Komoot?** Yes. Komoot is on the list of apps the T-Rex 3 Pro syncs to through the Zepp app. Works Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro) **How does the Amazfit T-Rex 3 Pro handle sensors and accessories?** Pairs Bluetooth workout sensors such as a chest heart rate strap, power meters and cycling speed and cadence sensors. Works Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro) **Does the Amazfit T-Rex 3 Pro work with Strava?** Yes. Strava is on the list of apps the T-Rex 3 Pro syncs to through the Zepp app. Works Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro) **Does the Amazfit T-Rex 3 Pro work with TrainingPeaks?** Yes. TrainingPeaks is on the list of apps the T-Rex 3 Pro syncs to through the Zepp app. Works Source: [Amazfit](https://us.amazfit.com/products/t-rex-3-pro)