Battery: 815mAh Lithium-ion polymer battery Resolution: 480 × 480 pixels, PPI 323 Display: 1.48-inch AMOLED display Brightness: HBM brightness 1500 nits, peak brightness 2500 nits Water resistance rating: 5ATM Operating system: Xiaomi HyperOS 3 Dimensions: 46.00mm x 46.00mm x 10.99mm Satellite positioning systems: GPS | Galileo | Glonass | BeiDou | QZSS Supported: Built-in GNSS | Speaker | Microphone | NFC