Technical Specifications: Brand: Tonino Lamborghini Model: TL66 Manufacturing Material: Space Steel Screen Type: AMOLED Screen Size: 1.43 inches Bluetooth Connection: BLE 5.2 / BT3 Bluetooth Calls Operating Voltage: 3.85V Water Resistance Level: 3ATM (resistance up to approximately 30 meters deep) Touch Screen Chip: FT3168 Screen Resolution: 466 × 466 pixels Weight (without strap): 67 grams Movement Type: Digital Features: Heart Rate Monitor