Works perfectly and comes with two straps. Feel free to inspect it as long as you like. Amazfit GTR 2 specs: Classic edition - stainless steel - 39g.; 22mm strap; 5 ATM water resistance (up to 50 m); 3D Corning Gorilla Glass. Display: 1.39" AMOLED, Resolution 454x454, 326 ppi. Memory: around 3GB - user accessible for storing MP3 files and watch faces. Battery: 471mAh (14 days typical use); Magnetic charging base (2.5h for a full charge). Connectivity: Bluetooth 5.0 + BLE; Wi-Fi 6; GPS+GLONASS; NFC (for AliPay). Misc: BioTracker 2 PPG biological tracking optical sensor, 6-axis acceleration sensor, 3-axis geomagnetic sensor, Air-pressure sensor, Gyroscopic sensors, Ambient light sensor; Speaker and microphone for calls, music playback and voice assistant (Offline commands available at launch, Amazon Alexa integration coming in OTA update).