Connect the Amazfit GTR 2 to your smartphone via Bluetooth to answer calls. To check the weather, set alarms, or search for restaurants, just raise your wrist and ask Alexa (note 11). The GTR 2 also has an offline voice control feature (note 12), for performing voice operations without internet access. Control mobile music playback through the watch via Bluetooth, or transfer 300-600 songs to the watch through your smartphone, with 3GB (note 9) of local music storage. The GTR 2 boasts a battery life of up to 14 days. With this extended battery life, you are covered wherever your exercise takes you. The 1.39" AMOLED HD screen has a vivid 326 ppi pixel density. Dozens of watch face styles are available.